"ゼロコロナ" meaning in 日语

{
  "categories": [
    {
      "kind": "other",
      "name": "日語 冠狀病毒",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語片假名",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語複合詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自法語的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "派生自英語的日語詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "缺少作者和編輯參數的參考模板",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "来自ゼロ (zero, “零”) + コロナ (korona, “冠状病毒”)。前者来自法語 zéro或英語 zero。后者为コロナウイルス (koronauirusu, “冠状病毒”)的截断，源自英语。",
  "forms": [
    {
      "form": "zero korona",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名词",
  "senses": [
    {
      "glosses": [
        "清零政策 （2021?–）"
      ],
      "id": "zh-ゼロコロナ-ja-noun-u-xBB46t"
    }
  ],
  "word": "ゼロコロナ"
}

{
  "categories": [
    "日語 冠狀病毒",
    "日語名詞",
    "日語片假名",
    "日語複合詞",
    "日語詞元",
    "有1個詞條的頁面",
    "有詞條的頁面",
    "派生自法語的日語詞",
    "派生自英語的日語詞",
    "缺少作者和編輯參數的參考模板"
  ],
  "etymology_text": "来自ゼロ (zero, “零”) + コロナ (korona, “冠状病毒”)。前者来自法語 zéro或英語 zero。后者为コロナウイルス (koronauirusu, “冠状病毒”)的截断，源自英语。",
  "forms": [
    {
      "form": "zero korona",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日语",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名词",
  "senses": [
    {
      "glosses": [
        "清零政策 （2021?–）"
      ]
    }
  ],
  "word": "ゼロコロナ"
}