英语词汇“cretaceous”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	cretaceous
释义	cretaceouscretaceous /krɪˈteɪʃəs/ adjective earth science Etymology ETYMOLOGYcretaceous Origin: 1600-1700 Latin cretaceus, from creta chalk 1similar to chalk or containing chalk2the Cretaceous period the time when rocks containing chalk were formed
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