V2EX precambrian

Precambrian

Definition / 定义

前寒武纪:地质历史中从地球形成到寒武纪开始之前的漫长时期(约从46亿年前到5.41亿年前),包括冥古宙、太古宙和元古宙。该时期生命以微生物为主,并发生了大气与海洋的重大演化。(也常作形容词:Precambrian rocks 前寒武纪岩石。)

Pronunciation / 发音(IPA)

/prikm.bri.n/

Examples / 例句

The museum has fossils from the Precambrian.
博物馆里有来自前寒武纪的化石。

Precambrian rocks in this region record the rise of early life and major changes in Earth’s atmosphere.
该地区的前寒武纪岩石记录了早期生命的出现以及地球大气的重大变化。

Etymology / 词源

Precambrian 由 **pre-**(“在……之前”)+ Cambrian(“寒武纪”,源自拉丁化地名 Cambria,意为“威尔士”)构成,字面意思就是“寒武纪之前的”。

Related Words / 相关词

Literary Works / 文学与著作中的用例

  • Charles Lyell, Principles of Geology
  • Stephen Jay Gould, Wonderful Life
  • Richard Dawkins, The Ancestor’s Tale
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