V2EX paleocene

Paleocene

释义 Definition

古新世:地质年代中古近纪的最早一个世,约在6600万年前到5600万年前,紧接在恐龙灭绝的白垩纪末之后,哺乳动物与鸟类等类群开始迅速多样化。(该词也可作形容词,表示“古新世的”。)

发音 Pronunciation (IPA)

/pelisin/

例句 Examples

The Paleocene began after the extinction of the dinosaurs.
古新世始于恐龙灭绝之后。

During the Paleocene, mammals expanded into many ecological niches as forests spread across warmer regions.
在古新世,随着森林在更温暖的地区扩展,哺乳动物进入并占据了许多生态位。

词源 Etymology

Paleocene 来自希腊语词根:palaios(古老的)+ -cene(“新”的世,常用于地质年代名,源自 kainos “新的”)。整体含义可理解为“(相对)更早的‘新’的地层时代”,用于指古近纪中最早的一段时期。

相关词 Related Words

文学作品 Literary Works

  • Stephen Jay Gould,《Wonderful Life》:讨论化石记录与演化史时提及古新世等地质时期。
  • Richard Fortey,《Life: An Unauthorised Biography》:在叙述生命史与地层时间轴时涉及古新世。
  • Donald R. Prothero,《After the Dinosaurs: The Age of Mammals》:以恐龙灭绝后到古新世、始新世的哺乳动物兴起为主线,多次出现该词。
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