英语词汇“K/T boundary”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	K/T boundary
释义	K/T boundary noun geology a. Cretaceous / Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods b. (as modifier) K/T boundary sediments Word origin C20 K and T, symbols for Cretaceous and Tertiary, respectively
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