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 : 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 boundary Word History Etymology K (alternative for C as abbreviation for Cretaceous) + Tertiary First Known Use 1983, in the meaning defined above
随便看	manifested manifester manifesters manifesting manifestly manifestness manifestnesses manifesto manifestoed manifestoes manifestoing manifestos manifests manifold manifold paper manifolded manifolder manifolders manifolding manifoldly manifoldness manifoldnesses manifolds Manihiki Manihot

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K-T boundary