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]
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