英语词汇“mass extinction”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	mass extinction
释义	mass extinction noun DEFINITIONS1 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
随便看	p/e ratio per capita perceive per cent percent percentage percentage point percentile perceptible perception perceptive perch perchance percipient percolate riff-raff riffraff rifle rifleman rifle range rifle through rift rift valley rig rigamarole

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