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

单词	k-t boundary
释义	k-t boundary noun Usage: usually capitalized K&T Etymology: K (alternative for C as abbreviation for Cretaceous) + Tertiary : the transition between the Cretaceous and Tertiary periods of geologic time characterized by a mass extinction of many forms of life including the dinosaurs ; also : a geologic stratum marking this transition
随便看	sclerobase sclerobasic scleroblast scleroblastem scleroblastema scleroblastemic scleroblastic sclerocauly sclerocorneal sclerodactylia sclerodactyly scleroderm scleroderma sclerodermataceae sclerodermataceous sclerodermatales sclerodermatous sclerodermi sclerodermia sclerodermic sclerodermite sclerodermitic sclerodermous sclerogen sclerogenic

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