V2EX square kilometer

Square Kilometer

释义 Definition

平方千米(也拼作 square kilometre):面积单位,写作 km,等于 1,000,000 平方米(即边长 1 千米的正方形面积)。

发音 Pronunciation (IPA)

美 /skwr klmitr/
英 /skwe klmit/

例句 Examples

The park covers two square kilometers.
这个公园占地两平方千米。

The researchers mapped more than 15,000 square kilometers of forest to track changes in biodiversity over a decade.
研究人员绘制了超过15,000平方千米的森林地图,以追踪十年间生物多样性的变化。

词源 Etymology

square(“正方形的;平方的”)+ kilometer/kilometre(“千米”)组合而成,字面意思是“以千米为边长的平方单位”。在英语中用 square + 长度单位 来构成面积单位(如 square metersquare mile)非常常见。

相关词 Related Words

文学与著名作品用例 Notable Works

“square kilometer”常见于英文地理、科普与纪实写作中,用来描述国家疆域、森林覆盖、冰川面积或灾害影响范围等,例如:

  • Jared Diamond《Guns, Germs, and Steel》(《枪炮、病菌与钢铁》)
  • Elizabeth Kolbert《The Sixth Extinction》(《第六次大灭绝》)
  • 各类权威地理与自然写作(如 National Geographic 的英文报道与专题文章)
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