mass-extinction event

基本解释

Although not one of the "big five" mass extinctions, the mid-Permian extinction has long been considered an important, if puzzling, event.
尽管不是五次物种大灭绝之一，二叠纪中期的物种灭绝依然被长期作为谜一般的事件受到重点关注。
The Frasnian is a critical time interval for understanding paleodiversity variation before the Devonian Frasnian-Famennian mass extinction event.
弗拉期是了解泥盆纪弗拉-法门灭绝事件之前古代生物多样性的一个关键阶段。
The eruption is one of the likely causes of the Permian-Triassic mass extinction event, in which 95% of marine species and many terrestrial vertebrates, insects and plants died off.
这次喷发是Permian-Triassic绝种事件的可能原因之一，约95%的海洋物种，陆生脊椎动物，昆虫和植物在这次绝种事件中灭绝了。