V2EX hemispheres

Hemispheres

释义 Definition

hemisphere(半球):指球体的一半,尤指地球的半球(如北半球、南半球、东半球、西半球);也可指大脑半球(左半球、右半球)。“hemispheres”是其复数形式。

发音 Pronunciation

/hmsfr/

例句 Examples

The Earth has two hemispheres: the Northern and the Southern.
地球有两个半球:北半球和南半球。

Scientists study how the brain’s hemispheres communicate to understand language and memory.
科学家研究大脑半球如何交流,以理解语言与记忆的机制。

词源 Etymology

来自希腊语:**hemi-**(“一半”)+ sphaira(“球、球体”)。字面意思就是“半个球体”,后来广泛用于地理(地球半球)与解剖学(大脑半球)等语境。

相关词 Related Words

文学作品 Literary Works

  • Herman Melville《Moby-Dick》(《白鲸》):书中多处以航海与全球地理视角谈及“半球/两半球”的概念。
  • Joseph Conrad《Heart of Darkness》(《黑暗之心》):涉及殖民地理与全球空间想象时使用到相关地理表达(包括半球/地理分区的语汇)。
  • Oliver Sacks《The Man Who Mistook His Wife for a Hat》(《错把妻子当帽子的人》):在讨论神经心理学现象时常提及大脑半球等术语。
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