英语词汇“K-T”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
释义	K-T adj. Of or relating to the boundary between the Cretaceous and Tertiary periods, characterized by a mass extinction in which all nonavian dinosaur species perished and by a layer of rock enriched with iridium thought to have originated in one or more asteroid impacts. [K, short for CRETACEOUS (used instead of C, because that letter is often used as an abbreviation of Cambrian) + TERTIARY.]
随便看	boustrophedon boustrophedonic bout boutique bouton boutonniere boutonnière Boutros Boutros-Ghali bouvardia Bouvet Island Bouvier des Flandres bouzouki bovid bovine bovine growth hormone bovine spongiform encephalopathy bow bow bow Bow bow and scrape bow compass Bowditch bowdlerism

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