API 参考

{
  "success": true,
  "data": {
    "word": "hello",
    "languageCategory": "en",
    "phonetic": "/həˈloʊ/",
    "examples": [
      {
        "sentence": "Hello, how are you doing today?",
        "translation": "你好，今天过得怎么样？",
        "usage": "非常常见的问候语，用于打招呼并询问对方近况。"
      },
      {
        "sentence": "Hello! Is anyone there?",
        "translation": "喂！有人在吗？",
        "usage": "在电话接通、敲门或进入一个陌生空间时，用来引起注意或确认是否有人。"
      },
      {
        "sentence": "Hello, Sarah! Nice to see you again.",
        "translation": "你好，莎拉！很高兴再次见到你。",
        "usage": "用于熟人之间，表达见到对方的喜悦。"
      }
    ],
    "phrases": [
      {
        "phrase": "Hello there!",
        "translation": "你好呀！",
        "usage": "比"Hello"更热情、更友好的问候方式，常用于见到认识的人。"
      },
      {
        "phrase": "Hello-hello?",
        "translation": "喂？喂？",
        "usage": "在电话中，当听不清对方声音或想确认对方是否还在时使用。"
      }
    ],
    "mnemonics": "想象一下，你正在招手（hand）向别人打招呼，然后说"噢，你好！"（Oh, low! 听起来有点像hello）。",
    "synonyms": [
      {
        "word": "Hi",
        "difference": "比 'hello' 更随意、更口语化，适合非正式场合。"
      },
      {
        "word": "Hey",
        "difference": "非常口语化，常用于引起注意或打招呼，比 'hi' 更随意，有时也带有惊喜或疑问的语气。"
      },
      {
        "word": "Greetings",
        "difference": "比较正式的问候语，常用于书面语或正式场合，不如 'hello' 常用。"
      }
    ],
    "usageScenes": [
      "初次见面打招呼",
      "日常问候（朋友、家人、同事）",
      "接听电话",
      "引起他人注意",
      "网络聊天开场白"
    ],
    "cached": true
  },
  "rateLimit": {
    "remaining": 499,
    "limit": 150,
    "reset": "2025-10-24T00:00:00.000Z"
  }
}

{
  "word": "study",
  "languageCategory": "en",
  "examples": [
    {
      "sentence": "She decided to study abroad for a year to improve her language skills.",
      "translation": "她决定出国留学一年以提高她的语言能力。",
      "usage": "描述为了提升某项技能或达成特定目标而进行的学习行为。"
    },
    {
      "sentence": "The students are busy studying for their final exams.",
      "translation": "学生们正忙于为期末考试复习。",
      "usage": "强调为考试而进行的集中学习或复习。"
    }
  ],
  "synonyms": [
    {
      "word": "learn",
      "difference": "'Learn' 更侧重于获取知识或技能的过程，而 'study' 强调通过刻意努力来学习。"
    },
    {
      "word": "research",
      "difference": "'Research' 通常指为了发现新知识或验证现有理论而进行的系统性、深入的探究，比 'study' 更具探索性和科学性。"
    },
    {
      "word": "read",
      "difference": "'Read' 仅仅是阅读文字的过程，而 'study' 包含了阅读、理解、思考、分析等更深层次的学习过程。"
    }
  ],
  "usageScenes": [
    "学术学习（学校、大学）",
    "技能培训",
    "考试准备",
    "信息分析与研究",
    "自我提升"
  ],
  "cached": true
}

{
  "success": false,
  "error": "该单词暂未生成记忆卡片",
  "code": "NOT_FOUND",
  "message": "单词 \"xyz\" (en) 尚未生成记忆卡片。",
  "rateLimit": {
    "remaining": 497,
    "limit": 150,
    "reset": "2025-10-24T00:00:00.000Z"
  }
}

{
  "success": false,
  "error": "请求次数已达今日上限",
  "code": "RATE_LIMIT_EXCEEDED",
  "rateLimit": {
    "remaining": 0,
    "limit": 150,
    "reset": "2025-10-24T00:00:00.000Z"
  }
}

{
  "success": false,
  "error": "参数错误：word 参数必须是非空字符串",
  "code": "INVALID_PARAMETER",
  "rateLimit": {
    "remaining": 496,
    "limit": 150,
    "reset": "2025-10-24T00:00:00.000Z"
  }
}

{
  "success": false,
  "error": "服务器内部错误",
  "code": "INTERNAL_ERROR"
}

# 英语
curl "https://api.keykey.cc/api/public/memory-card?word=hello&lang=en"

# 西班牙语
curl "https://api.keykey.cc/api/public/memory-card?word=hola&lang=es"

# 日语
curl "https://api.keykey.cc/api/public/memory-card?word=こんにちは&lang=ja"