{
  "update_time": "2026-05-31",
  "total_count": 980,
  "words": [
    {
      "word": "zoo",
      "pos": "n",
      "meaning": "动物园",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "zebra",
      "pos": "n",
      "meaning": "斑马",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "a lot",
      "pos": "adv",
      "meaning": "非常",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "yellow",
      "pos": "adj",
      "meaning": "黄色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "a lot of",
      "pos": "det",
      "meaning": "大量的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "add",
      "pos": "v",
      "meaning": "添加",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "afternoon",
      "pos": "n",
      "meaning": "下午",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "woman",
      "pos": "n",
      "meaning": "女人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "winter",
      "pos": "n",
      "meaning": "冬天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "window",
      "pos": "n",
      "meaning": "窗户",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "white",
      "pos": "adj",
      "meaning": "白色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "welcome",
      "pos": "v",
      "meaning": "欢迎",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "again",
      "pos": "adv",
      "meaning": "再一次",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ago",
      "pos": "adv",
      "meaning": "以前",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "watermelon",
      "pos": "n",
      "meaning": "西瓜",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "water",
      "pos": "n",
      "meaning": "水",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "watch",
      "pos": "v",
      "meaning": "看",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "watch",
      "pos": "n",
      "meaning": "手表",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "warm",
      "pos": "adj",
      "meaning": "温暖的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "also",
      "pos": "adv",
      "meaning": "也",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wall",
      "pos": "n",
      "meaning": "墙",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "walk",
      "pos": "v",
      "meaning": "走",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "answer",
      "pos": "n",
      "meaning": "答复",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "answer",
      "pos": "v",
      "meaning": "回答",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "apartment",
      "pos": "n",
      "meaning": "公寓",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "under",
      "pos": "prep",
      "meaning": "在...下面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ugly",
      "pos": "adj",
      "meaning": "丑陋的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "armchair",
      "pos": "n",
      "meaning": "扶手椅",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "try",
      "pos": "v",
      "meaning": "尝试",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "truck",
      "pos": "n",
      "meaning": "卡车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "trousers",
      "pos": "n",
      "meaning": "裤子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tree",
      "pos": "n",
      "meaning": "树",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "train",
      "pos": "n",
      "meaning": "火车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "toy",
      "pos": "n",
      "meaning": "玩具",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "too",
      "pos": "adv",
      "meaning": "也",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tomorrow",
      "pos": "adv",
      "meaning": "明天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ask",
      "pos": "v",
      "meaning": "询问",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tomato",
      "pos": "n",
      "meaning": "西红柿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "astronaut",
      "pos": "n",
      "meaning": "宇航员",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "today",
      "pos": "adv",
      "meaning": "今天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "badminton",
      "pos": "n",
      "meaning": "羽毛球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tiger",
      "pos": "n",
      "meaning": "老虎",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ball",
      "pos": "n",
      "meaning": "球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tick",
      "pos": "v",
      "meaning": "打勾",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "throw",
      "pos": "v",
      "meaning": "扔（球）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "baseball cap",
      "pos": "n",
      "meaning": "棒球帽",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "those",
      "pos": "pron",
      "meaning": "那些",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "this",
      "pos": "det",
      "meaning": "这个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "this",
      "pos": "pron",
      "meaning": "这个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "thing",
      "pos": "n",
      "meaning": "东西",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bath",
      "pos": "n",
      "meaning": "浴缸",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "these",
      "pos": "pron",
      "meaning": "这些",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "there",
      "pos": "adv",
      "meaning": "那里",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "that",
      "pos": "det",
      "meaning": "那个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "that",
      "pos": "pron",
      "meaning": "那个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bathroom",
      "pos": "n",
      "meaning": "浴室",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bean",
      "pos": "n",
      "meaning": "豆，菜豆",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "because",
      "pos": "conj",
      "meaning": "因为",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "television/TV",
      "pos": "n",
      "meaning": "电视",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "teddy bear",
      "pos": "n",
      "meaning": "泰迪熊",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "teacher",
      "pos": "n",
      "meaning": "老师",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "taxi",
      "pos": "n",
      "meaning": "出租车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "begin",
      "pos": "v",
      "meaning": "开始",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "take a photo/picture",
      "pos": "v",
      "meaning": "拍照",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tail",
      "pos": "n",
      "meaning": "尾巴",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tablet",
      "pos": "n",
      "meaning": "平板电脑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "blackboard",
      "pos": "n",
      "meaning": "黑板",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "table",
      "pos": "n",
      "meaning": "桌子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "T-shirt",
      "pos": "n",
      "meaning": "T恤衫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "swim",
      "pos": "v",
      "meaning": "游泳",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "boat",
      "pos": "n",
      "meaning": "小船",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sun",
      "pos": "n",
      "meaning": "太阳",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "summer",
      "pos": "n",
      "meaning": "夏天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bookcase",
      "pos": "n",
      "meaning": "书架",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "study",
      "pos": "v",
      "meaning": "学习",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "student",
      "pos": "n",
      "meaning": "学生",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "street",
      "pos": "n",
      "meaning": "街道",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "story",
      "pos": "n",
      "meaning": "故事",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bookshop",
      "pos": "n",
      "meaning": "书店",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "stop",
      "pos": "v",
      "meaning": "停止",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "start",
      "pos": "v",
      "meaning": "开始",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "stand",
      "pos": "v",
      "meaning": "站",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "spring",
      "pos": "n",
      "meaning": "春天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bounce",
      "pos": "v",
      "meaning": "弹起",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "spider",
      "pos": "n",
      "meaning": "蜘蛛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "spell",
      "pos": "v",
      "meaning": "拼写",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "candle",
      "pos": "n",
      "meaning": "蜡烛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "song",
      "pos": "n",
      "meaning": "歌曲",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "child",
      "pos": "n",
      "meaning": "儿童",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sofa",
      "pos": "n",
      "meaning": "沙发",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sock",
      "pos": "n",
      "meaning": "袜子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "children",
      "pos": "n",
      "meaning": "孩子们",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "snow",
      "pos": "n",
      "meaning": "雪",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "snake",
      "pos": "n",
      "meaning": "蛇",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "China",
      "pos": "n",
      "meaning": "中国",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "smile",
      "pos": "v",
      "meaning": "微笑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "small",
      "pos": "adj",
      "meaning": "小的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sleep",
      "pos": "v",
      "meaning": "睡觉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skirt",
      "pos": "n",
      "meaning": "裙子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skateboarding",
      "pos": "n",
      "meaning": "滑板运动",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skateboard",
      "pos": "n",
      "meaning": "滑板",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sit",
      "pos": "v",
      "meaning": "坐下",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sister",
      "pos": "n",
      "meaning": "姐姐、妹妹",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sing",
      "pos": "v",
      "meaning": "唱",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Chinese",
      "pos": "n",
      "meaning": "中文",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Chinese",
      "pos": "adj",
      "meaning": "中国的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shorts",
      "pos": "n",
      "meaning": "短裤",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "choose",
      "pos": "v",
      "meaning": "选择",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "class",
      "pos": "n",
      "meaning": "班级",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "closed",
      "pos": "adj",
      "meaning": "关着的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shirt",
      "pos": "n",
      "meaning": "衬衫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "complete",
      "pos": "v",
      "meaning": "使完整",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shell",
      "pos": "n",
      "meaning": "壳",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sheep",
      "pos": "n",
      "meaning": "绵羊",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "see",
      "pos": "v",
      "meaning": "看见",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "season",
      "pos": "n",
      "meaning": "季节",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sea",
      "pos": "n",
      "meaning": "海",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "schoolbag",
      "pos": "n",
      "meaning": "书包",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "school",
      "pos": "n",
      "meaning": "学校",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "scary",
      "pos": "adj",
      "meaning": "可怕的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "correct",
      "pos": "adj",
      "meaning": "正确的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sausage",
      "pos": "n",
      "meaning": "香肠",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sand",
      "pos": "n",
      "meaning": "沙子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "crocodile",
      "pos": "n",
      "meaning": "鳄鱼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "run",
      "pos": "v",
      "meaning": "跑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cross",
      "pos": "n",
      "meaning": "十字标记",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rug",
      "pos": "n",
      "meaning": "小地毯",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "day",
      "pos": "n",
      "meaning": "一天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dining room",
      "pos": "n",
      "meaning": "餐厅",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "robot",
      "pos": "n",
      "meaning": "机器人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "right",
      "pos": "adj",
      "meaning": "右边",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ride",
      "pos": "v",
      "meaning": "骑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rice",
      "pos": "n",
      "meaning": "米饭",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "red",
      "pos": "adj",
      "meaning": "红色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "door",
      "pos": "n",
      "meaning": "门",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "double",
      "pos": "adj",
      "meaning": "两倍的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "radio",
      "pos": "n",
      "meaning": "收音机",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "drink",
      "pos": "n",
      "meaning": "饮料",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "put",
      "pos": "v",
      "meaning": "放",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "purple",
      "pos": "adj",
      "meaning": "紫色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "potato",
      "pos": "n",
      "meaning": "土豆",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "poster",
      "pos": "n",
      "meaning": "海报",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "early",
      "pos": "adv",
      "meaning": "早地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "end",
      "pos": "n",
      "meaning": "最后部分",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "play",
      "pos": "v",
      "meaning": "玩",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "plane",
      "pos": "n",
      "meaning": "飞机",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pink",
      "pos": "adj",
      "meaning": "粉红色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ping-pong",
      "pos": "n",
      "meaning": "乒乓球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pineapple",
      "pos": "n",
      "meaning": "菠萝",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pig",
      "pos": "n",
      "meaning": "猪",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pie",
      "pos": "n",
      "meaning": "馅饼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "picture",
      "pos": "n",
      "meaning": "图片",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "English",
      "pos": "adj",
      "meaning": "英格兰的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "enjoy",
      "pos": "v",
      "meaning": "享受",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "photo",
      "pos": "n",
      "meaning": "照片",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eraser",
      "pos": "n",
      "meaning": "橡皮擦",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "evening",
      "pos": "n",
      "meaning": "晚上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "example",
      "pos": "n",
      "meaning": "例子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "family",
      "pos": "n",
      "meaning": "家庭",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fantastic",
      "pos": "adj",
      "meaning": "极好的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "feel",
      "pos": "v",
      "meaning": "感觉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pen",
      "pos": "n",
      "meaning": "钢笔",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "flat",
      "pos": "n",
      "meaning": "公寓",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fun",
      "pos": "n",
      "meaning": "乐趣",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "PE",
      "pos": "n",
      "meaning": "体育",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "get",
      "pos": "v",
      "meaning": "收到",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "glasses",
      "pos": "n",
      "meaning": "眼镜",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "paper",
      "pos": "n",
      "meaning": "纸",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "go to bed",
      "pos": "v",
      "meaning": "上床睡觉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "painting",
      "pos": "n",
      "meaning": "画作",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "paint",
      "pos": "n",
      "meaning": "绘画颜料",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "go to sleep",
      "pos": "v",
      "meaning": "睡觉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "page",
      "pos": "n",
      "meaning": "页",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "orange",
      "pos": "adj",
      "meaning": "橙色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "orange",
      "pos": "n",
      "meaning": "橙子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "open",
      "pos": "v",
      "meaning": "打开",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "good",
      "pos": "adj",
      "meaning": "好的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "onion",
      "pos": "n",
      "meaning": "洋葱",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grandfather",
      "pos": "n",
      "meaning": "祖父",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "one",
      "pos": "pron",
      "meaning": "一个人(或物)",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grandmother",
      "pos": "n",
      "meaning": "祖母",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grape",
      "pos": "n",
      "meaning": "葡萄",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "great",
      "pos": "adj",
      "meaning": "伟大的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "nose",
      "pos": "n",
      "meaning": "鼻子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "night",
      "pos": "n",
      "meaning": "夜晚",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "nice",
      "pos": "adj",
      "meaning": "好的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "next to",
      "pos": "prep",
      "meaning": "紧邻",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "next",
      "pos": "adj",
      "meaning": "下一个的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "next",
      "pos": "pron",
      "meaning": "下一个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "new",
      "pos": "adj",
      "meaning": "新的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "name",
      "pos": "n",
      "meaning": "名字",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "music",
      "pos": "n",
      "meaning": "音乐",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mum",
      "pos": "n",
      "meaning": "妈妈",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mouth",
      "pos": "n",
      "meaning": "嘴巴",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mouse",
      "pos": "n",
      "meaning": "老鼠",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mouse",
      "pos": "n",
      "meaning": "鼠标",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hall",
      "pos": "n",
      "meaning": "门厅",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hard",
      "pos": "adj",
      "meaning": "硬的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "morning",
      "pos": "n",
      "meaning": "早上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "helicopter",
      "pos": "n",
      "meaning": "直升机",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "monster",
      "pos": "n",
      "meaning": "怪物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "monkey",
      "pos": "n",
      "meaning": "猴子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "money",
      "pos": "n",
      "meaning": "钱",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mirror",
      "pos": "n",
      "meaning": "镜子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hockey",
      "pos": "n",
      "meaning": "曲棍球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mine",
      "pos": "pron",
      "meaning": "我的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "milk",
      "pos": "n",
      "meaning": "牛奶",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mice",
      "pos": "n",
      "meaning": "老鼠（复数）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hold",
      "pos": "v",
      "meaning": "抓住",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "meet",
      "pos": "v",
      "meaning": "遇见",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "meatballs",
      "pos": "n",
      "meaning": "肉丸",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "meat",
      "pos": "n",
      "meaning": "肉类",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "me",
      "pos": "pron",
      "meaning": "我",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "maths",
      "pos": "n",
      "meaning": "数学",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mat",
      "pos": "n",
      "meaning": "地垫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "home",
      "pos": "adv",
      "meaning": "回家，在家",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mango",
      "pos": "n",
      "meaning": "芒果",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "man",
      "pos": "n",
      "meaning": "男人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "make",
      "pos": "v",
      "meaning": "制造",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "love",
      "pos": "v",
      "meaning": "爱",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lots of",
      "pos": "det",
      "meaning": "大量的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lorry",
      "pos": "n",
      "meaning": "卡车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "look at",
      "pos": "v",
      "meaning": "看",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "look",
      "pos": "v",
      "meaning": "看",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "long",
      "pos": "adj",
      "meaning": "长的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lizard",
      "pos": "n",
      "meaning": "蜥蜴",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hometown",
      "pos": "n",
      "meaning": "家乡",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "live",
      "pos": "v",
      "meaning": "生存",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "listen",
      "pos": "v",
      "meaning": "听",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hour",
      "pos": "n",
      "meaning": "小时",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "interesting",
      "pos": "adj",
      "meaning": "有趣的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "job",
      "pos": "n",
      "meaning": "工作",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "like",
      "pos": "v",
      "meaning": "喜欢",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "letter",
      "pos": "n",
      "meaning": "字母",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "let",
      "pos": "v",
      "meaning": "让",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kid",
      "pos": "n",
      "meaning": "小孩",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lemonade",
      "pos": "n",
      "meaning": "柠檬汁",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lemon",
      "pos": "n",
      "meaning": "柠檬",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "leg",
      "pos": "n",
      "meaning": "腿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "left",
      "pos": "adj",
      "meaning": "左边的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kitchen",
      "pos": "n",
      "meaning": "厨房",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "late",
      "pos": "adj",
      "meaning": "晚的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kiwi",
      "pos": "n",
      "meaning": "猕猴桃",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "know",
      "pos": "v",
      "meaning": "知道",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lamp",
      "pos": "n",
      "meaning": "台灯",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kite",
      "pos": "n",
      "meaning": "风筝",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "learn",
      "pos": "v",
      "meaning": "学习",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lesson",
      "pos": "n",
      "meaning": "一节课",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kick",
      "pos": "v",
      "meaning": "踢",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "keyboard",
      "pos": "n",
      "meaning": "键盘",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "jump",
      "pos": "v",
      "meaning": "跳跃",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "juice",
      "pos": "n",
      "meaning": "果汁",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "like",
      "pos": "prep",
      "meaning": "像",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "jeans",
      "pos": "n",
      "meaning": "牛仔裤",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "jacket",
      "pos": "n",
      "meaning": "夹克衫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lime",
      "pos": "n",
      "meaning": "酸橙",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "in front of",
      "pos": "prep",
      "meaning": "在……的前面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ice cream",
      "pos": "n",
      "meaning": "冰淇淋",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "house",
      "pos": "n",
      "meaning": "房子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "line",
      "pos": "n",
      "meaning": "线",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hot",
      "pos": "adj",
      "meaning": "热的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "horse",
      "pos": "n",
      "meaning": "马",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "living room",
      "pos": "n",
      "meaning": "客厅",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "home",
      "pos": "n",
      "meaning": "家",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "many",
      "pos": "det",
      "meaning": "许多",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "men",
      "pos": "n",
      "meaning": "男人（man 的复数）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "minute",
      "pos": "n",
      "meaning": "分钟",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hobby",
      "pos": "n",
      "meaning": "业余爱好",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hit",
      "pos": "v",
      "meaning": "打，击",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hippo",
      "pos": "n",
      "meaning": "河马",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "here",
      "pos": "adv",
      "meaning": "在这里",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "helpful",
      "pos": "adj",
      "meaning": "有帮助的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "miss",
      "pos": "v",
      "meaning": "想念",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hear",
      "pos": "v",
      "meaning": "听见",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "head",
      "pos": "n",
      "meaning": "头",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "have",
      "pos": "v",
      "meaning": "拥有",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hat",
      "pos": "n",
      "meaning": "帽子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "month",
      "pos": "n",
      "meaning": "月",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "happy",
      "pos": "adj",
      "meaning": "快乐的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "handbag",
      "pos": "n",
      "meaning": "手提包",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hand",
      "pos": "n",
      "meaning": "手",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mother",
      "pos": "n",
      "meaning": "母亲",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hair",
      "pos": "n",
      "meaning": "毛发",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "guitar",
      "pos": "n",
      "meaning": "吉他",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "green",
      "pos": "adj",
      "meaning": "绿色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "motorbike",
      "pos": "n",
      "meaning": "摩托车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "gray/grey",
      "pos": "adj",
      "meaning": "灰色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "much",
      "pos": "det",
      "meaning": "许多",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grandpa",
      "pos": "n",
      "meaning": "爷爷",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "now",
      "pos": "adv",
      "meaning": "现在",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grandma",
      "pos": "n",
      "meaning": "奶奶",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "number",
      "pos": "n",
      "meaning": "数字",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "old",
      "pos": "adj",
      "meaning": "年老的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "goat",
      "pos": "n",
      "meaning": "山羊",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "one",
      "pos": "det",
      "meaning": "一个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "open",
      "pos": "adj",
      "meaning": "开着的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "go",
      "pos": "v",
      "meaning": "去，走",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "paint",
      "pos": "v",
      "meaning": "（用颜料）绘画",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "give",
      "pos": "v",
      "meaning": "给",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "girl",
      "pos": "n",
      "meaning": "女孩",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "giraffe",
      "pos": "n",
      "meaning": "长颈鹿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "paper",
      "pos": "adj",
      "meaning": "纸质的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "garden",
      "pos": "n",
      "meaning": "花园",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "game",
      "pos": "n",
      "meaning": "游戏",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "funny",
      "pos": "adj",
      "meaning": "滑稽的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fun",
      "pos": "adj",
      "meaning": "有趣的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "park",
      "pos": "n",
      "meaning": "公园",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fruit",
      "pos": "n",
      "meaning": "水果",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "frog",
      "pos": "n",
      "meaning": "青蛙",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fries",
      "pos": "n",
      "meaning": "薯条",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "friend",
      "pos": "n",
      "meaning": "朋友",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "football",
      "pos": "n",
      "meaning": "足球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "foot",
      "pos": "n",
      "meaning": "脚",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "food",
      "pos": "n",
      "meaning": "食物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fly",
      "pos": "v",
      "meaning": "开（飞机）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "flower",
      "pos": "n",
      "meaning": "花",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "floor",
      "pos": "n",
      "meaning": "地板",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "part",
      "pos": "n",
      "meaning": "部分",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fishing",
      "pos": "n",
      "meaning": "钓鱼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fish",
      "pos": "n",
      "meaning": "鱼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "find",
      "pos": "v",
      "meaning": "找到",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "feet",
      "pos": "n",
      "meaning": "脚（foot 的复数形式）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pea",
      "pos": "n",
      "meaning": "豌豆",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "favourite",
      "pos": "adj",
      "meaning": "最喜欢的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "father",
      "pos": "n",
      "meaning": "父亲",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fast",
      "pos": "adj",
      "meaning": "快的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pear",
      "pos": "n",
      "meaning": "梨",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pencil",
      "pos": "n",
      "meaning": "铅笔",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "face",
      "pos": "n",
      "meaning": "脸",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eye",
      "pos": "n",
      "meaning": "眼睛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "excited",
      "pos": "adj",
      "meaning": "兴奋的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "people",
      "pos": "n",
      "meaning": "人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "person",
      "pos": "n",
      "meaning": "人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pet",
      "pos": "n",
      "meaning": "宠物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "phone",
      "pos": "n",
      "meaning": "电话",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "phone",
      "pos": "v",
      "meaning": "给…...打电话",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "English",
      "pos": "n",
      "meaning": "英语",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "piano",
      "pos": "n",
      "meaning": "钢琴",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "elephant",
      "pos": "n",
      "meaning": "大象",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "egg",
      "pos": "n",
      "meaning": "蛋",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eat",
      "pos": "v",
      "meaning": "吃",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "earth",
      "pos": "n",
      "meaning": "地球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "early",
      "pos": "adj",
      "meaning": "早的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pick up",
      "pos": "v",
      "meaning": "捡起",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ear",
      "pos": "n",
      "meaning": "耳朵",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "duck",
      "pos": "n",
      "meaning": "鸭子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "drive",
      "pos": "v",
      "meaning": "驾车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "playground",
      "pos": "n",
      "meaning": "操场",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "drink",
      "pos": "v",
      "meaning": "喝",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dress",
      "pos": "n",
      "meaning": "连衣裙",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "drawing",
      "pos": "n",
      "meaning": "图画",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "draw",
      "pos": "v",
      "meaning": "画",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "point",
      "pos": "v",
      "meaning": "(用手指) 指向",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "question",
      "pos": "n",
      "meaning": "问题",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "donkey",
      "pos": "n",
      "meaning": "驴",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "doll",
      "pos": "n",
      "meaning": "洋娃娃",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dog",
      "pos": "n",
      "meaning": "狗",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dirty",
      "pos": "adj",
      "meaning": "肮脏的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "read",
      "pos": "v",
      "meaning": "阅读",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "desk",
      "pos": "n",
      "meaning": "书桌",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "really",
      "pos": "adv",
      "meaning": "真正地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dad",
      "pos": "n",
      "meaning": "爸爸",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cupboard",
      "pos": "n",
      "meaning": "橱柜",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "room",
      "pos": "n",
      "meaning": "房间",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cross",
      "pos": "v",
      "meaning": "穿过去",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rubber",
      "pos": "n",
      "meaning": "橡皮",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "crayon",
      "pos": "n",
      "meaning": "彩色蜡笔",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cow",
      "pos": "n",
      "meaning": "奶牛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cousin",
      "pos": "n",
      "meaning": "堂（表）兄弟",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "count",
      "pos": "v",
      "meaning": "数数",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ruler",
      "pos": "n",
      "meaning": "尺子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cool",
      "pos": "adj",
      "meaning": "凉爽的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "computer",
      "pos": "n",
      "meaning": "电脑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sad",
      "pos": "adj",
      "meaning": "悲伤的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "come",
      "pos": "v",
      "meaning": "来",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "colour",
      "pos": "n",
      "meaning": "颜色",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "colour",
      "pos": "v",
      "meaning": "给……染色",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cold",
      "pos": "adj",
      "meaning": "冷的，凉的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "coconut",
      "pos": "n",
      "meaning": "椰子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clothes",
      "pos": "n",
      "meaning": "衣服",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "say",
      "pos": "v",
      "meaning": "说",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "close",
      "pos": "v",
      "meaning": "关闭",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clock",
      "pos": "n",
      "meaning": "时钟",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clean",
      "pos": "v",
      "meaning": "清洁",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clean",
      "pos": "adj",
      "meaning": "干净的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "classroom",
      "pos": "n",
      "meaning": "教室",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "classmate",
      "pos": "n",
      "meaning": "同学",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ship",
      "pos": "n",
      "meaning": "船",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clap",
      "pos": "v",
      "meaning": "鼓掌",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shoe",
      "pos": "n",
      "meaning": "鞋",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "chocolate",
      "pos": "n",
      "meaning": "巧克力",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "chips",
      "pos": "n",
      "meaning": "炸土豆条",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shop",
      "pos": "n",
      "meaning": "商店",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "short",
      "pos": "adj",
      "meaning": "短的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "show",
      "pos": "v",
      "meaning": "显示",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "silly",
      "pos": "adj",
      "meaning": "愚蠢的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "smile",
      "pos": "n",
      "meaning": "笑容",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "chicken",
      "pos": "n",
      "meaning": "鸡肉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "chicken",
      "pos": "n",
      "meaning": "鸡",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "chair",
      "pos": "n",
      "meaning": "椅子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "catch",
      "pos": "v",
      "meaning": "接住（球）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "catch",
      "pos": "v",
      "meaning": "赶（公共汽车）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cat",
      "pos": "n",
      "meaning": "猫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "carrot",
      "pos": "n",
      "meaning": "胡萝卜",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "card",
      "pos": "n",
      "meaning": "卡片",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "car",
      "pos": "n",
      "meaning": "汽车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "candy",
      "pos": "n",
      "meaning": "糖果",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "soccer",
      "pos": "n",
      "meaning": "足球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "can",
      "pos": "v",
      "meaning": "能，会",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "camera",
      "pos": "n",
      "meaning": "相机",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cake",
      "pos": "n",
      "meaning": "蛋糕",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bus",
      "pos": "n",
      "meaning": "公共汽车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "burger",
      "pos": "n",
      "meaning": "汉堡包",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "brown",
      "pos": "adj",
      "meaning": "棕色的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "brother",
      "pos": "n",
      "meaning": "兄弟",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bread",
      "pos": "n",
      "meaning": "面包",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "boy",
      "pos": "n",
      "meaning": "男孩",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "box",
      "pos": "n",
      "meaning": "盒子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "some",
      "pos": "det",
      "meaning": "一些",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "boots",
      "pos": "n",
      "meaning": "靴子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "speak",
      "pos": "v",
      "meaning": "说",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sport",
      "pos": "n",
      "meaning": "运动",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "book",
      "pos": "n",
      "meaning": "书",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "body",
      "pos": "n",
      "meaning": "身体",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "store",
      "pos": "n",
      "meaning": "商店",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "board game",
      "pos": "n",
      "meaning": "棋盘游戏",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "board",
      "pos": "n",
      "meaning": "板",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "blue",
      "pos": "adj",
      "meaning": "蓝的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "subject",
      "pos": "n",
      "meaning": "科目",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "black",
      "pos": "adj",
      "meaning": "黑的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "birthday",
      "pos": "n",
      "meaning": "生日",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bird",
      "pos": "n",
      "meaning": "鸟",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bike",
      "pos": "n",
      "meaning": "自行车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "big",
      "pos": "adj",
      "meaning": "大的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "between",
      "pos": "prep",
      "meaning": "在……中间",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "behind",
      "pos": "prep",
      "meaning": "在……的后面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sweet(s)",
      "pos": "n",
      "meaning": "糖果",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bee",
      "pos": "n",
      "meaning": "蜜蜂",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bedroom",
      "pos": "n",
      "meaning": "卧室",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bed",
      "pos": "n",
      "meaning": "床",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "beautiful",
      "pos": "adj",
      "meaning": "美丽的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bear",
      "pos": "n",
      "meaning": "熊",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "table tennis",
      "pos": "n",
      "meaning": "乒乓球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "beach",
      "pos": "n",
      "meaning": "海滩",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "talk",
      "pos": "v",
      "meaning": "说话",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tell",
      "pos": "v",
      "meaning": "告诉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bat",
      "pos": "n",
      "meaning": "球棒",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "basketball",
      "pos": "n",
      "meaning": "篮球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tennis",
      "pos": "n",
      "meaning": "网球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "baseball",
      "pos": "n",
      "meaning": "棒球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "banana",
      "pos": "n",
      "meaning": "香蕉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "balloon",
      "pos": "n",
      "meaning": "气球",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tennis racket",
      "pos": "n",
      "meaning": "网球拍",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bag",
      "pos": "n",
      "meaning": "袋，包",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "these",
      "pos": "det",
      "meaning": "这些",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "baby",
      "pos": "n",
      "meaning": "婴儿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "autumn",
      "pos": "n",
      "meaning": "秋天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "those",
      "pos": "det",
      "meaning": "那些",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tick",
      "pos": "n",
      "meaning": "对勾",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "art",
      "pos": "n",
      "meaning": "艺术",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "today",
      "pos": "n",
      "meaning": "今天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "arm",
      "pos": "n",
      "meaning": "手臂",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "apple",
      "pos": "n",
      "meaning": "苹果",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "toilet",
      "pos": "n",
      "meaning": "厕所",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tomorrow",
      "pos": "n",
      "meaning": "明天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "try",
      "pos": "n",
      "meaning": "尝试",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "animal",
      "pos": "n",
      "meaning": "动物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "angry",
      "pos": "adj",
      "meaning": "生气的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "understand",
      "pos": "v",
      "meaning": "理解",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "alien",
      "pos": "n",
      "meaning": "外星人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "air",
      "pos": "n",
      "meaning": "空气",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "very",
      "pos": "adv",
      "meaning": "非常",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "visit",
      "pos": "v",
      "meaning": "拜访",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "want",
      "pos": "v",
      "meaning": "想要",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wave",
      "pos": "v",
      "meaning": "挥动",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wear",
      "pos": "v",
      "meaning": "穿着",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "women",
      "pos": "n",
      "meaning": "女人（woman 的复数）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "20",
      "pos": "num",
      "meaning": "20",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "19",
      "pos": "num",
      "meaning": "19",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "18",
      "pos": "num",
      "meaning": "18",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "17",
      "pos": "num",
      "meaning": "17",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "16",
      "pos": "num",
      "meaning": "16",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "15",
      "pos": "num",
      "meaning": "15",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "14",
      "pos": "num",
      "meaning": "14",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "13",
      "pos": "num",
      "meaning": "13",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "12",
      "pos": "num",
      "meaning": "12",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "11",
      "pos": "num",
      "meaning": "11",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "10",
      "pos": "num",
      "meaning": "10",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "9",
      "pos": "num",
      "meaning": "9",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "8",
      "pos": "num",
      "meaning": "8",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "7",
      "pos": "num",
      "meaning": "7",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "6",
      "pos": "num",
      "meaning": "6",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "5",
      "pos": "num",
      "meaning": "5",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "4",
      "pos": "num",
      "meaning": "4",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "3",
      "pos": "num",
      "meaning": "3",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "2",
      "pos": "num",
      "meaning": "2",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "1",
      "pos": "num",
      "meaning": "1",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "write",
      "pos": "v",
      "meaning": "写",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "year",
      "pos": "n",
      "meaning": "年",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "young",
      "pos": "adj",
      "meaning": "年轻的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "above",
      "pos": "prep",
      "meaning": "在...上面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "address",
      "pos": "n",
      "meaning": "地址",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "afraid",
      "pos": "adj",
      "meaning": "害怕",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "after",
      "pos": "prep",
      "meaning": "在...之后",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "age",
      "pos": "n",
      "meaning": "年龄",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "all",
      "pos": "pron",
      "meaning": "所有",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "always",
      "pos": "adv",
      "meaning": "一直",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "another",
      "pos": "pron",
      "meaning": "另一个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "another",
      "pos": "det",
      "meaning": "另一个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "any",
      "pos": "pron",
      "meaning": "任何一个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "app",
      "pos": "n",
      "meaning": "应用程序",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "around",
      "pos": "prep",
      "meaning": "在...周围",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "asleep",
      "pos": "adj",
      "meaning": "睡着的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "aunt",
      "pos": "n",
      "meaning": "阿姨",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "awake",
      "pos": "adj",
      "meaning": "醒着的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "back",
      "pos": "adj",
      "meaning": "后面的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "back",
      "pos": "adv",
      "meaning": "向后",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "back",
      "pos": "n",
      "meaning": "后面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bad",
      "pos": "adj",
      "meaning": "坏的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "badly",
      "pos": "adv",
      "meaning": "严重地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "balcony",
      "pos": "n",
      "meaning": "阳台",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "band",
      "pos": "n",
      "meaning": "乐队",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "basement",
      "pos": "n",
      "meaning": "地下室",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bat",
      "pos": "n",
      "meaning": "蝙蝠",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "beard",
      "pos": "n",
      "meaning": "胡须",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "before",
      "pos": "prep",
      "meaning": "在......之前",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "below",
      "pos": "prep",
      "meaning": "在......下面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "beside",
      "pos": "prep",
      "meaning": "在…… 旁边",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "best",
      "pos": "adj",
      "meaning": "最好的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "best",
      "pos": "adv",
      "meaning": "最好地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "better",
      "pos": "adj",
      "meaning": "较好的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "blanket",
      "pos": "n",
      "meaning": "毯子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "blond(e)",
      "pos": "adj",
      "meaning": "金发的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "boring",
      "pos": "adj",
      "meaning": "无趣的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "both",
      "pos": "pron",
      "meaning": "两者",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "both",
      "pos": "det",
      "meaning": "两个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bottle",
      "pos": "n",
      "meaning": "瓶子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bottom",
      "pos": "adj",
      "meaning": "底部的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bottom",
      "pos": "n",
      "meaning": "底部",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bowl",
      "pos": "n",
      "meaning": "碗",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "brave",
      "pos": "adj",
      "meaning": "勇敢的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "break",
      "pos": "n",
      "meaning": "间歇，小憩",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "breakfast",
      "pos": "n",
      "meaning": "早餐",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "brilliant",
      "pos": "adj",
      "meaning": "非常好的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bring",
      "pos": "v",
      "meaning": "拿来，带来",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "build",
      "pos": "v",
      "meaning": "建造，修建",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "building",
      "pos": "n",
      "meaning": "建筑物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bus station",
      "pos": "n",
      "meaning": "公交车站",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "bus stop",
      "pos": "n",
      "meaning": "公共汽车站",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "busy",
      "pos": "adj",
      "meaning": "忙碌的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "buy",
      "pos": "v",
      "meaning": "买，购买",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "café",
      "pos": "n",
      "meaning": "咖啡馆",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cage",
      "pos": "n",
      "meaning": "笼子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "call",
      "pos": "v",
      "meaning": "打电话",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "car park",
      "pos": "n",
      "meaning": "停车场",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "careful",
      "pos": "adj",
      "meaning": "仔细的；小心的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "carefully",
      "pos": "adv",
      "meaning": "小心地，仔细地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "carry",
      "pos": "v",
      "meaning": "携带",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "CD",
      "pos": "n",
      "meaning": "光盘",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "centre",
      "pos": "n",
      "meaning": "中心点",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "change",
      "pos": "v",
      "meaning": "交换",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cheese",
      "pos": "n",
      "meaning": "奶酪",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "chore",
      "pos": "n",
      "meaning": "家务",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cinema",
      "pos": "n",
      "meaning": "电影院",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "circle",
      "pos": "n",
      "meaning": "圆形",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "circus",
      "pos": "n",
      "meaning": "马戏团",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "city",
      "pos": "n",
      "meaning": "城市",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "city centre",
      "pos": "n",
      "meaning": "市中心",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clever",
      "pos": "adj",
      "meaning": "聪明的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "climb",
      "pos": "v",
      "meaning": "攀登",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cloud",
      "pos": "n",
      "meaning": "云，云朵",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cloudy",
      "pos": "adj",
      "meaning": "多云的，阴天的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "clown",
      "pos": "n",
      "meaning": "小丑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "coat",
      "pos": "n",
      "meaning": "外套",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "coffee",
      "pos": "n",
      "meaning": "咖啡",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cold",
      "pos": "n",
      "meaning": "感冒",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "comic",
      "pos": "adj",
      "meaning": "滑稽的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "comic book",
      "pos": "n",
      "meaning": "连环漫画册",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cook",
      "pos": "n",
      "meaning": "厨师",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cook",
      "pos": "v",
      "meaning": "烹饪",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cough",
      "pos": "n",
      "meaning": "咳嗽",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "could",
      "pos": "v",
      "meaning": "能（过去式）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "country",
      "pos": "n",
      "meaning": "国家",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "countryside",
      "pos": "n",
      "meaning": "乡村",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cry",
      "pos": "v",
      "meaning": "哭泣",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cry",
      "pos": "v",
      "meaning": "喊叫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cup",
      "pos": "n",
      "meaning": "杯子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "curly",
      "pos": "adj",
      "meaning": "（头发）卷曲的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cut",
      "pos": "v",
      "meaning": "切",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "cute",
      "pos": "adj",
      "meaning": "可爱的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dance",
      "pos": "n",
      "meaning": "舞蹈",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dance",
      "pos": "v",
      "meaning": "跳舞",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dangerous",
      "pos": "adj",
      "meaning": "危险的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "daughter",
      "pos": "n",
      "meaning": "女儿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dentist",
      "pos": "n",
      "meaning": "牙科医生",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "difference",
      "pos": "n",
      "meaning": "不同之处",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "different",
      "pos": "adj",
      "meaning": "不同的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "difficult",
      "pos": "adj",
      "meaning": "困难的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dinner",
      "pos": "n",
      "meaning": "晚餐",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "doctor",
      "pos": "n",
      "meaning": "医生",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dolphin",
      "pos": "n",
      "meaning": "海豚",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "down",
      "pos": "adv",
      "meaning": "向下",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "down",
      "pos": "prep",
      "meaning": "向下",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "downstairs",
      "pos": "adv",
      "meaning": "在楼下",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "downstairs",
      "pos": "n",
      "meaning": "楼下",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dream",
      "pos": "n",
      "meaning": "梦",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dream",
      "pos": "v",
      "meaning": "做梦",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dress up",
      "pos": "v",
      "meaning": "穿正装",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "drive",
      "pos": "n",
      "meaning": "驱车出行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "driver",
      "pos": "n",
      "meaning": "司机",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "drop",
      "pos": "v",
      "meaning": "（使）掉落",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dry",
      "pos": "adj",
      "meaning": "干的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "dry",
      "pos": "v",
      "meaning": "（使）变干",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "DVD",
      "pos": "n",
      "meaning": "DVD 盘",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "e-book",
      "pos": "n",
      "meaning": "电子书",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "earache",
      "pos": "n",
      "meaning": "耳朵痛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "easy",
      "pos": "adj",
      "meaning": "容易的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eighteenth",
      "pos": "num",
      "meaning": "第十八",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eighth",
      "pos": "num",
      "meaning": "第八",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eighty",
      "pos": "num",
      "meaning": "80",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "elevator",
      "pos": "n",
      "meaning": "电梯",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "eleventh",
      "pos": "num",
      "meaning": "第十一",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "email",
      "pos": "n",
      "meaning": "电子邮件",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "email",
      "pos": "v",
      "meaning": "给（某人）发电子邮件",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "every",
      "pos": "det",
      "meaning": "每个",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "everyone",
      "pos": "pron",
      "meaning": "每个人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "everything",
      "pos": "pron",
      "meaning": "每件事物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "exciting",
      "pos": "adj",
      "meaning": "令人兴奋的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "exercise",
      "pos": "n",
      "meaning": "锻炼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fair",
      "pos": "adj",
      "meaning": "公平的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fall",
      "pos": "v",
      "meaning": "降落",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "famous",
      "pos": "adj",
      "meaning": "著名的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fan",
      "pos": "n",
      "meaning": "风扇",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "far",
      "pos": "adv",
      "meaning": "远",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "farm",
      "pos": "n",
      "meaning": "农场",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "farmer",
      "pos": "n",
      "meaning": "农夫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fat",
      "pos": "adj",
      "meaning": "肥胖的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "feed",
      "pos": "v",
      "meaning": "喂养",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "field",
      "pos": "n",
      "meaning": "田地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fifteenth",
      "pos": "num",
      "meaning": "第十五",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fifth",
      "pos": "num",
      "meaning": "第五",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fifty",
      "pos": "num",
      "meaning": "50",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "film",
      "pos": "n",
      "meaning": "电影",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "film",
      "pos": "v",
      "meaning": "拍摄电影",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "film star",
      "pos": "n",
      "meaning": "电影明星",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fine",
      "pos": "adj",
      "meaning": "令人满意的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fire",
      "pos": "n",
      "meaning": "火",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "first",
      "pos": "adv",
      "meaning": "第一",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "first",
      "pos": "det",
      "meaning": "第一位的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fish",
      "pos": "v",
      "meaning": "钓鱼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fix",
      "pos": "v",
      "meaning": "修理",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "floor",
      "pos": "n",
      "meaning": "楼层",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fly",
      "pos": "n",
      "meaning": "苍蝇",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "forest",
      "pos": "n",
      "meaning": "森林",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "forty",
      "pos": "num",
      "meaning": "40",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fourteenth",
      "pos": "num",
      "meaning": "第十四",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "fourth",
      "pos": "num",
      "meaning": "第四",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "free",
      "pos": "adj",
      "meaning": "免费的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "free",
      "pos": "adj",
      "meaning": "自由的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Friday",
      "pos": "n",
      "meaning": "星期五",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "frightened",
      "pos": "adj",
      "meaning": "害怕的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "front",
      "pos": "n",
      "meaning": "前面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "funfair",
      "pos": "n",
      "meaning": "游艺集市",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "get dressed",
      "pos": "v",
      "meaning": "把衣服穿上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "get off",
      "pos": "v",
      "meaning": "下车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "get on",
      "pos": "v",
      "meaning": "上车",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "get undressed",
      "pos": "v",
      "meaning": "脱衣服",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "get up",
      "pos": "v",
      "meaning": "起床",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "gift",
      "pos": "n",
      "meaning": "礼物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "glass",
      "pos": "n",
      "meaning": "玻璃杯",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "go shopping",
      "pos": "v",
      "meaning": "购物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "goal",
      "pos": "n",
      "meaning": "球门",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "granddaughter",
      "pos": "n",
      "meaning": "（外）孙女",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grandparent",
      "pos": "n",
      "meaning": "（外）祖父母",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grandson",
      "pos": "n",
      "meaning": "（外）孙子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grass",
      "pos": "n",
      "meaning": "草",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ground",
      "pos": "n",
      "meaning": "地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grow",
      "pos": "v",
      "meaning": "成长",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "grown-up",
      "pos": "n",
      "meaning": "成年人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "half",
      "pos": "n",
      "meaning": "一半",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "half",
      "pos": "adj",
      "meaning": "一半的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "headache",
      "pos": "n",
      "meaning": "头痛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "healthy",
      "pos": "adj",
      "meaning": "健康的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "heavy",
      "pos": "adj",
      "meaning": "重的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "helmet",
      "pos": "n",
      "meaning": "头盔",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "help",
      "pos": "v",
      "meaning": "帮助",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hide",
      "pos": "v",
      "meaning": "躲藏",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hill",
      "pos": "n",
      "meaning": "小山",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "holiday",
      "pos": "n",
      "meaning": "假日",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "homework",
      "pos": "n",
      "meaning": "家庭作业",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hop",
      "pos": "v",
      "meaning": "单脚跳行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hospital",
      "pos": "n",
      "meaning": "医院",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "huge",
      "pos": "adj",
      "meaning": "庞大的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hundred",
      "pos": "n",
      "meaning": "一百",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hungry",
      "pos": "adj",
      "meaning": "感到饿的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hurry",
      "pos": "v",
      "meaning": "匆忙",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "hurt",
      "pos": "v",
      "meaning": "使受伤",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ice",
      "pos": "n",
      "meaning": "冰",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ice skates",
      "pos": "n",
      "meaning": "冰鞋",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ice skating",
      "pos": "n",
      "meaning": "滑冰",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "idea",
      "pos": "n",
      "meaning": "想法",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ill",
      "pos": "adj",
      "meaning": "有病的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "inside",
      "pos": "adv",
      "meaning": "在（或向）里面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "inside",
      "pos": "n",
      "meaning": "内部",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "inside",
      "pos": "prep",
      "meaning": "在（或向）……内",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "internet",
      "pos": "n",
      "meaning": "互联网",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "into",
      "pos": "prep",
      "meaning": "到……里面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "invite",
      "pos": "v",
      "meaning": "邀请",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "island",
      "pos": "n",
      "meaning": "岛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "jellyfish",
      "pos": "n",
      "meaning": "水母",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "jungle",
      "pos": "n",
      "meaning": "热带丛林",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kangaroo",
      "pos": "n",
      "meaning": "袋鼠",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "keep",
      "pos": "v",
      "meaning": "保持",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kick",
      "pos": "n",
      "meaning": "踢",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kind",
      "pos": "n",
      "meaning": "种类",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "kitten",
      "pos": "n",
      "meaning": "小猫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lake",
      "pos": "n",
      "meaning": "湖",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "laptop",
      "pos": "n",
      "meaning": "便携式电脑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "last",
      "pos": "adj",
      "meaning": "最后的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "last",
      "pos": "adv",
      "meaning": "最近",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "laugh",
      "pos": "n",
      "meaning": "笑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "laugh",
      "pos": "v",
      "meaning": "笑",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "leaf/leaves",
      "pos": "n",
      "meaning": "叶子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "left",
      "pos": "adv",
      "meaning": "向左",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "library",
      "pos": "n",
      "meaning": "图书馆",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lift",
      "pos": "n",
      "meaning": "电梯",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "light",
      "pos": "n",
      "meaning": "光",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lion",
      "pos": "n",
      "meaning": "狮子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "little",
      "pos": "adj",
      "meaning": "小的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "look for",
      "pos": "v",
      "meaning": "寻找",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lose",
      "pos": "v",
      "meaning": "丢失",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "loud",
      "pos": "adj",
      "meaning": "大声的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "loudly",
      "pos": "adv",
      "meaning": "大声地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lovely",
      "pos": "adj",
      "meaning": "可爱的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "lunch",
      "pos": "n",
      "meaning": "午餐",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "machine",
      "pos": "n",
      "meaning": "机器",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "map",
      "pos": "n",
      "meaning": "地图",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "market",
      "pos": "n",
      "meaning": "集市",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "matter",
      "pos": "n",
      "meaning": "问题",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "may",
      "pos": "v",
      "meaning": "可能",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mean",
      "pos": "v",
      "meaning": "意味着",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "message",
      "pos": "n",
      "meaning": "消息",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "middle",
      "pos": "n",
      "meaning": "中间",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "milkshake",
      "pos": "n",
      "meaning": "奶昔",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mistake",
      "pos": "n",
      "meaning": "错误",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "model",
      "pos": "n",
      "meaning": "模型",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Monday",
      "pos": "n",
      "meaning": "星期一",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "moon",
      "pos": "n",
      "meaning": "月亮",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "more",
      "pos": "adv",
      "meaning": "更",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "more",
      "pos": "det",
      "meaning": "更多的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "more",
      "pos": "pron",
      "meaning": "（数、量等）更多的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "most",
      "pos": "adv",
      "meaning": "最",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "most",
      "pos": "det",
      "meaning": "最多，最大",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "most",
      "pos": "pron",
      "meaning": "最多，最大",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "mountain",
      "pos": "n",
      "meaning": "高山",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "moustache",
      "pos": "n",
      "meaning": "小胡子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "move",
      "pos": "v",
      "meaning": "移动",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "movie",
      "pos": "n",
      "meaning": "电影",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "must",
      "pos": "model v.",
      "meaning": "必须",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "naughty",
      "pos": "adj",
      "meaning": "淘气的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "near",
      "pos": "adv",
      "meaning": "在附近",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "near",
      "pos": "prep",
      "meaning": "在......附近",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "neck",
      "pos": "n",
      "meaning": "脖子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "need",
      "pos": "v",
      "meaning": "需要",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "net",
      "pos": "n",
      "meaning": "网",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "never",
      "pos": "adv",
      "meaning": "决不",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "nineteenth",
      "pos": "num",
      "meaning": "第十九",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ninety",
      "pos": "num",
      "meaning": "90",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ninth",
      "pos": "num",
      "meaning": "第九",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "noise",
      "pos": "n",
      "meaning": "噪音",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "noodles",
      "pos": "n",
      "meaning": "面条",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "nothing",
      "pos": "pron",
      "meaning": "没有什么",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "nurse",
      "pos": "n",
      "meaning": "护士",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "off",
      "pos": "adv",
      "meaning": "离开（某处）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "often",
      "pos": "adv",
      "meaning": "常常",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "only",
      "pos": "adv",
      "meaning": "只有",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "opposite",
      "pos": "prep",
      "meaning": "在……对面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "out",
      "pos": "adv",
      "meaning": "向外",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "out of",
      "pos": "prep",
      "meaning": "不再处于某个地方或状态",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "outside",
      "pos": "adv",
      "meaning": "在外面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "outside",
      "pos": "n",
      "meaning": "外面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "outside",
      "pos": "prep",
      "meaning": "在……的外面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "over",
      "pos": "prep",
      "meaning": "在…… 上方",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "o’clock",
      "pos": "adv",
      "meaning": "……点钟",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pair",
      "pos": "n",
      "meaning": "一对",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pancake",
      "pos": "n",
      "meaning": "薄煎饼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "panda",
      "pos": "n",
      "meaning": "熊猫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "parent",
      "pos": "n",
      "meaning": "父亲（或母亲）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "parrot",
      "pos": "n",
      "meaning": "鹦鹉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "party",
      "pos": "n",
      "meaning": "聚会",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pasta",
      "pos": "n",
      "meaning": "意大利面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "penguin",
      "pos": "n",
      "meaning": "企鹅",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "picnic",
      "pos": "n",
      "meaning": "野餐",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pirate",
      "pos": "n",
      "meaning": "海盗",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "place",
      "pos": "n",
      "meaning": "地方",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "plant",
      "pos": "n",
      "meaning": "植物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "plant",
      "pos": "v",
      "meaning": "种植",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "plate",
      "pos": "n",
      "meaning": "盘子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "player",
      "pos": "n",
      "meaning": "运动员",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "polar bear",
      "pos": "n",
      "meaning": "北极熊",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "police",
      "pos": "n",
      "meaning": "警察",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pool",
      "pos": "n",
      "meaning": "水池",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pop star",
      "pos": "n",
      "meaning": "流行歌手",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "practice",
      "pos": "n",
      "meaning": "练习",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "practise",
      "pos": "v",
      "meaning": "练习",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "present",
      "pos": "n",
      "meaning": "礼物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "pretty",
      "pos": "adj",
      "meaning": "漂亮的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "puppy",
      "pos": "n",
      "meaning": "小狗",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "put on",
      "pos": "v",
      "meaning": "穿上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "quick",
      "pos": "adj",
      "meaning": "快的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "quickly",
      "pos": "adv",
      "meaning": "快速地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "quiet",
      "pos": "adj",
      "meaning": "安静的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "quietly",
      "pos": "adv",
      "meaning": "安静地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rabbit",
      "pos": "n",
      "meaning": "兔子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rain",
      "pos": "n",
      "meaning": "雨",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rain",
      "pos": "v",
      "meaning": "下雨",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rainbow",
      "pos": "n",
      "meaning": "彩虹",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ride",
      "pos": "n",
      "meaning": "骑行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "river",
      "pos": "n",
      "meaning": "河",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "road",
      "pos": "n",
      "meaning": "路",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "rock",
      "pos": "n",
      "meaning": "岩石",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "roller skates",
      "pos": "n",
      "meaning": "旱冰鞋",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "roller skating",
      "pos": "n",
      "meaning": "滑旱冰",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "roof",
      "pos": "n",
      "meaning": "屋顶",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "round",
      "pos": "adj",
      "meaning": "圆形的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "round",
      "pos": "adv",
      "meaning": "环绕",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "round",
      "pos": "prep",
      "meaning": "围绕",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "safe",
      "pos": "adj",
      "meaning": "安全的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sail",
      "pos": "n",
      "meaning": "航行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sail",
      "pos": "v",
      "meaning": "航行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "salad",
      "pos": "n",
      "meaning": "沙拉",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sandwich",
      "pos": "n",
      "meaning": "三明治",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Saturday",
      "pos": "n",
      "meaning": "星期六",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sauce",
      "pos": "n",
      "meaning": "调味汁",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "scarf",
      "pos": "n",
      "meaning": "围巾",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "science",
      "pos": "n",
      "meaning": "科学",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "score",
      "pos": "v",
      "meaning": "得分",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "seat",
      "pos": "n",
      "meaning": "座位",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "second",
      "pos": "adv",
      "meaning": "第二",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sell",
      "pos": "v",
      "meaning": "卖",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "send",
      "pos": "v",
      "meaning": "发送",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "seventeenth",
      "pos": "num",
      "meaning": "第十七",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "seventh",
      "pos": "num",
      "meaning": "第七",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "seventy",
      "pos": "num",
      "meaning": "70",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shape",
      "pos": "n",
      "meaning": "形状",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "share",
      "pos": "v",
      "meaning": "分享",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shark",
      "pos": "n",
      "meaning": "鲨鱼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shop",
      "pos": "v",
      "meaning": "购物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shopping",
      "pos": "n",
      "meaning": "购物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shopping centre",
      "pos": "n",
      "meaning": "购物中心",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "should",
      "pos": "v",
      "meaning": "应该",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shoulder",
      "pos": "n",
      "meaning": "肩膀",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shout",
      "pos": "v",
      "meaning": "呼喊",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "shower",
      "pos": "n",
      "meaning": "淋浴",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sick",
      "pos": "adj",
      "meaning": "生病的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sixteenth",
      "pos": "num",
      "meaning": "第十六",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sixth",
      "pos": "num",
      "meaning": "第六",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sixty",
      "pos": "num",
      "meaning": "60",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skate",
      "pos": "n",
      "meaning": "溜冰鞋",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skate",
      "pos": "v",
      "meaning": "滑冰",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skip",
      "pos": "v",
      "meaning": "蹦蹦跳跳地走",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "skip",
      "pos": "v",
      "meaning": "跳绳",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sky",
      "pos": "n",
      "meaning": "天空",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "slow",
      "pos": "adj",
      "meaning": "慢的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "slowly",
      "pos": "adv",
      "meaning": "缓慢地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "snail",
      "pos": "n",
      "meaning": "蜗牛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "snow",
      "pos": "v",
      "meaning": "下雪",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "someone",
      "pos": "pron",
      "meaning": "某人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "something",
      "pos": "pron",
      "meaning": "某物",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sometimes",
      "pos": "adv",
      "meaning": "有时",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "son",
      "pos": "n",
      "meaning": "儿子",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "soup",
      "pos": "n",
      "meaning": "汤",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "space",
      "pos": "n",
      "meaning": "空间",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sports centre",
      "pos": "n",
      "meaning": "体育中心",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "square",
      "pos": "adj",
      "meaning": "正方形的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "square",
      "pos": "n",
      "meaning": "正方形",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "square",
      "pos": "n",
      "meaning": "广场",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "stairs",
      "pos": "n",
      "meaning": "楼梯",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "star",
      "pos": "n",
      "meaning": "星星",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "station",
      "pos": "n",
      "meaning": "车站",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "stomach",
      "pos": "n",
      "meaning": "胃",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "stomachache",
      "pos": "n",
      "meaning": "胃痛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "straight",
      "pos": "adj",
      "meaning": "直的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "strong",
      "pos": "adj",
      "meaning": "强壮的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Sunday",
      "pos": "n",
      "meaning": "星期日",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sunny",
      "pos": "adj",
      "meaning": "晴朗的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "supermarket",
      "pos": "n",
      "meaning": "超市",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sure",
      "pos": "adj",
      "meaning": "确定的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "surprised",
      "pos": "adj",
      "meaning": "惊讶的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sweater",
      "pos": "n",
      "meaning": "毛衣",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sweep",
      "pos": "v",
      "meaning": "扫",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "sweet",
      "pos": "adj",
      "meaning": "甜的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "swim",
      "pos": "n",
      "meaning": "游泳",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "swimming pool",
      "pos": "n",
      "meaning": "游泳池",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "swimsuit",
      "pos": "n",
      "meaning": "泳衣",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "take",
      "pos": "v",
      "meaning": "拿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "take off",
      "pos": "v",
      "meaning": "脱下",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tall",
      "pos": "adj",
      "meaning": "高的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tea",
      "pos": "n",
      "meaning": "茶",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "teach",
      "pos": "v",
      "meaning": "教",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "teeth",
      "pos": "n",
      "meaning": "牙齿（复数）",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "temperature",
      "pos": "n",
      "meaning": "温度",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tenth",
      "pos": "num",
      "meaning": "第十",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "terrible",
      "pos": "adj",
      "meaning": "糟糕的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "text",
      "pos": "n",
      "meaning": "短信",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "text",
      "pos": "v",
      "meaning": "发短信",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "then",
      "pos": "adv",
      "meaning": "然后",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "thin",
      "pos": "adj",
      "meaning": "瘦的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "think",
      "pos": "v",
      "meaning": "认为",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "third",
      "pos": "adv",
      "meaning": "第三",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "thirsty",
      "pos": "adj",
      "meaning": "口渴的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "thirteenth",
      "pos": "num",
      "meaning": "第十三",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "thirty",
      "pos": "num",
      "meaning": "30",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Thursday",
      "pos": "n",
      "meaning": "星期四",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "ticket",
      "pos": "n",
      "meaning": "票",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tidy",
      "pos": "adj",
      "meaning": "整洁的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "time",
      "pos": "n",
      "meaning": "时间",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tired",
      "pos": "adj",
      "meaning": "累的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tooth",
      "pos": "n",
      "meaning": "牙齿",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "toothache",
      "pos": "n",
      "meaning": "牙痛",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "toothbrush",
      "pos": "n",
      "meaning": "牙刷",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "toothpaste",
      "pos": "n",
      "meaning": "牙膏",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "top",
      "pos": "adj",
      "meaning": "顶部的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "top",
      "pos": "n",
      "meaning": "顶部",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "towel",
      "pos": "n",
      "meaning": "毛巾",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "town",
      "pos": "n",
      "meaning": "城镇",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "town centre",
      "pos": "n",
      "meaning": "城镇中心",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "tractor",
      "pos": "n",
      "meaning": "拖拉机",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "travel",
      "pos": "v",
      "meaning": "旅行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "treasure",
      "pos": "n",
      "meaning": "宝藏",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "trip",
      "pos": "n",
      "meaning": "旅行",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Tuesday",
      "pos": "n",
      "meaning": "星期二",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "turn",
      "pos": "v",
      "meaning": "转",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "twelfth",
      "pos": "num",
      "meaning": "第十二",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "twentieth",
      "pos": "num",
      "meaning": "第二十",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "umbrella",
      "pos": "n",
      "meaning": "雨伞",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "uncle",
      "pos": "n",
      "meaning": "叔叔",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "up",
      "pos": "adv",
      "meaning": "向上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "up",
      "pos": "prep",
      "meaning": "在…… 上面",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "upstairs",
      "pos": "adv",
      "meaning": "在楼上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "upstairs",
      "pos": "n",
      "meaning": "楼上",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "use",
      "pos": "v",
      "meaning": "使用",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "vegetable",
      "pos": "n",
      "meaning": "蔬菜",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "video",
      "pos": "n",
      "meaning": "视频",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "village",
      "pos": "n",
      "meaning": "村庄",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wait",
      "pos": "v",
      "meaning": "等待",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wake",
      "pos": "v",
      "meaning": "醒来",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wake up",
      "pos": "v",
      "meaning": "唤醒",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "walk",
      "pos": "n",
      "meaning": "散步",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wash",
      "pos": "v",
      "meaning": "洗",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "water",
      "pos": "v",
      "meaning": "浇水",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "waterfall",
      "pos": "n",
      "meaning": "瀑布",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wave",
      "pos": "n",
      "meaning": "波浪",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "way",
      "pos": "n",
      "meaning": "方法",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "weak",
      "pos": "adj",
      "meaning": "虚弱的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "weather",
      "pos": "n",
      "meaning": "天气",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "website",
      "pos": "n",
      "meaning": "网站",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "Wednesday",
      "pos": "n",
      "meaning": "星期三",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "week",
      "pos": "n",
      "meaning": "星期",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "weekend",
      "pos": "n",
      "meaning": "周末",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "well",
      "pos": "adv",
      "meaning": "好",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wet",
      "pos": "adj",
      "meaning": "湿的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "whale",
      "pos": "n",
      "meaning": "鲸鱼",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "win",
      "pos": "v",
      "meaning": "赢",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wind",
      "pos": "n",
      "meaning": "风",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "windy",
      "pos": "adj",
      "meaning": "有风的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wish",
      "pos": "v",
      "meaning": "希望",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wish",
      "pos": "n",
      "meaning": "愿望",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wonderful",
      "pos": "adj",
      "meaning": "精彩的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "work",
      "pos": "n",
      "meaning": "工作",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "work",
      "pos": "v",
      "meaning": "工作",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "worker",
      "pos": "n",
      "meaning": "工人",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "world",
      "pos": "n",
      "meaning": "世界",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "worse",
      "pos": "adj",
      "meaning": "更糟的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "worse",
      "pos": "adv",
      "meaning": "更糟地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "worst",
      "pos": "adj",
      "meaning": "最差的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "worst",
      "pos": "adv",
      "meaning": "最差地",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "wrong",
      "pos": "adj",
      "meaning": "错误的",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "yesterday",
      "pos": "adv",
      "meaning": "昨天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    },
    {
      "word": "yesterday",
      "pos": "n",
      "meaning": "昨天",
      "level": "LV1（上）",
      "unit": "",
      "difficulty": 1,
      "enabled": true
    }
  ]
}