V2EX eocene

Eocene

释义 Definition

始新世:地质年代中的一个“世”,属于古近纪,约在5600万年前至3390万年前。这一时期全球气候总体较温暖,早期出现显著增温事件,哺乳动物与被子植物等快速多样化。(也可作形容词:与始新世有关的)

发音 Pronunciation

/i..sin/

例句 Examples

The fossil was dated to the Eocene.
这块化石被测定为始新世时期的。

During the Eocene, many modern mammal groups began to diversify as climates and habitats shifted.
在始新世,随着气候与栖息地的变化,许多现代哺乳动物类群开始出现多样化发展。

词源 Etymology

Eocene 来自希腊语词根 ēōs(“黎明、曙光”)+ -cene(表示“新近的”地质年代后缀,源自 kainos “新的”)。意思大致是“新生(生物)开始显现的时期”,反映早期地质学家认为这一时期“现代生物”开始更明显地出现。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin, On the Origin of Species(《物种起源》)
  • Stephen Jay Gould, Wonderful Life(《奇妙的生命》)
  • Richard Dawkins, The Ancestor’s Tale(《祖先的故事》)
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