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Permian

英 /ˈpɜːmɪən/美 /ˈpɜːrmiən/
  • adj.
    二叠纪的
  • n.
    二叠纪；二叠纪岩；二叠统

双语例句

  1. As Permian life-forms declined, they reached a fatal threshold and species succumbed to mass extinction.
    随着二叠纪生命形式的衰退，它们达到了一个致命的临界点，物种最终走向了大灭绝。
  2. The Permian event has attracted much less attention than other mass extinctions because mostly unfamiliar species perished at that time.
    二叠纪大灭绝事件比其他大灭绝事件受到的关注要少得多，因为那时灭绝的大多是我们不熟悉的物种。
  3. Paul Wignall and others have found sites where marine fossil deposits reached a peak of diversity at the very end of the Permian period.
    保罗·维格纳尔和其他人发现了在二叠纪末期海洋化石沉积达到多样性高峰的地点。

相关短语

  • permian period
    二叠纪；二迭纪
  • Permian Basin
    帕米亚盆地分校
  • Permian System
    二叠系；二迭系
  • The Permian extinction
    二叠纪物种灭绝
  • Middle Permian
    中二迭世；中二叠纪

同义词

n.
permian periodDias
[地质]二叠纪

词义分布

二叠纪
90%
二叠统
10%

英英释义

  • n.from 280 million to 230 million years ago; reptiles

词源

  • Permian
    From Perm +‎ -ian.