英语词汇K/T boundary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	K/T boundary
释义	K/T boundaryn. Geol. the boundary between the Cretaceous and Tertiary periods, marked by the extinction of many groups of organisms, including dinosaurs 【地质】白垩纪和第三纪的分界线(以包括恐龙在内的许多种生物的灭绝而划分) [from symbols for Cretaceous and Tertiary]
随便看	rapid eye-movement rapid-fire rapidity rapidly rapidness rapid transit rapier rapine rapist rap on (or over) the knuckles rap on (or over) the knuckles rap out rapparee rappee rappel rapper rapport rapporteur rapprochement rapscallion rapt raptly raptness raptor raptorial

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