覆盖

• ピンイン: fù gài
• 漢字の分解: 覆 = 襾 + 復 (overturn, cover over); 盖 = 艹 + 盍 (cover, lid)

意味

覆う／（範囲を）カバーする

Used both literally — snow covering the ground, a tarpaulin covering equipment — and figuratively, as in a policy covering multiple provinces or a mobile network covering all users. Very common in news, scientific, technology, and policy language. Key collocations: 覆盖率 (coverage rate), 覆盖面 (coverage scope), 信号覆盖 (signal coverage), 全面覆盖 (comprehensive coverage).

例文

1. 这场大雪在一夜之间将整座城市覆盖在厚厚的白色积雪之下，令街道安静得出奇。
2. 该运营商宣布将在未来三年内把5G网络覆盖范围扩展至全国所有县级行政区。
3. 新出台的医疗保障政策覆盖了更多慢性病种，惠及数以千万计的基层患者群体。

使い方ガイド

場面: geography, technology, policy, science

トーン: neutral

正しい言い方

• 卫星遥感数据显示，该地区的森林覆盖率在过去二十年间提升了近十五个百分点。(Satellite remote sensing data shows that the forest coverage rate in this region has increased by nearly fifteen percentage points over the past two decades.)
• 这项补贴政策覆盖了所有年收入低于六万元的城乡居民，切实减轻了低收入群体的生活负担。(This subsidy policy covers all urban and rural residents with an annual income below 60,000 yuan, effectively reducing the financial burden on low-income groups.)

避ける言い方

• 覆盖了一首歌 — 覆盖 means to physically or figuratively cover/span; use 翻唱 for covering or performing someone else's song

起源と歴史

覆 (overturn/cover over) + 盖 (lid/cover)

文化的背景

世代: All ages

社会的背景: Universal