"clef" meaning in 法语

{
  "categories": [
    {
      "kind": "other",
      "name": "待分類的英語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "拉丁文字",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "法语名词",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英语名词",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "法语",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "n.f. 钥匙；扳手；开启活封闭物体的工具；音键；要冲，要害之地；方法，关键；秘诀，线索，解法，解答，答案；谱号；在摔跤柔道赛中夹住，锁住adj. 关键的"
      ],
      "id": "zh-clef-fr-noun-U5RfM8IV"
    }
  ],
  "word": "clef"
}

{
  "categories": [
    "待分類的英語詞",
    "拉丁文字",
    "法语名词",
    "英語",
    "英语名词"
  ],
  "lang": "法语",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "n.f. 钥匙；扳手；开启活封闭物体的工具；音键；要冲，要害之地；方法，关键；秘诀，线索，解法，解答，答案；谱号；在摔跤柔道赛中夹住，锁住adj. 关键的"
      ]
    }
  ],
  "word": "clef"
}