英语词汇Permo–Triassic怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Permo–Triassic
释义	Definition of Permo–Triassic in English: Permo–Triassic adjective Geology 1Relating to or denoting the boundary of the Permian and Triassic periods, about 245 million years ago. Mass extinctions occurred at this time, marking the end of the Palaeozoic era. 1.1as noun the Permo–Triassic" or "Permo–Trias The Permian and Triassic periods together or the system of rocks deposited during them.
随便看	hold to bail hold to be hold together hold together (or hold something together) hold together (or hold something together) hold tongue hold to ransom hold to ransom hold true hold up hold-up hold up hold up hold up head hold-up man hold up one's head hold up one's head (or hold one's head high) hold up one's head (or hold one's head high) hold-ups hold-ups hold up to ridicule hold up to scorn hold up to shame hold very dear hold water

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Definition of Permo–Triassic in English: