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单词 mass extinction
释义

mass extinction

​noun
DEFINITIONS1
  1. 1
    a major event in which many or most species go extinct
    Non-avian dinosaurs were wiped out in the world’s fifth mass extinction, which occurred around 66 million years ago.
    Submitted by:
    Klinsman Hinjaya from Indonesia on 10/11/2018
    Open Dictionary - November2018
Noun☞mass extinction
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更新时间：2025/6/24 17:27:09