"——" meaning in 汉语

{
  "categories": [
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語標點符號",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "漢語詞元",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "汉语",
  "lang_code": "zh",
  "pos": "punct",
  "senses": [
    {
      "glosses": [
        "破折號／破折号 (pòzhéhào)。"
      ],
      "id": "zh-——-zh-punct-OghCzBjq"
    }
  ],
  "tags": [
    "punctuation"
  ],
  "word": "——"
}

{
  "categories": [
    "有1個詞條的頁面",
    "漢語標點符號",
    "漢語詞元"
  ],
  "lang": "汉语",
  "lang_code": "zh",
  "pos": "punct",
  "senses": [
    {
      "glosses": [
        "破折號／破折号 (pòzhéhào)。"
      ]
    }
  ],
  "tags": [
    "punctuation"
  ],
  "word": "——"
}