| 单词 | cretaceous |
| 释义 | Word Frequency cretaceous(krɪˈteɪʃəs) adjective consisting of or resembling chalk Derived forms cretaceously (creˈtaceously) adverb Word origin C17: from Latin crētāceus, from crēta, literally: Cretan earth, that is, chalkWord Frequency Cretaceous(krɪˈteɪʃəs) adjective 1. of, denoting, or formed in the last period of the Mesozoic era, between the Jurassic and Tertiary periods, lasting 80 million years during which chalk deposits were formed and flowering plants first appeared noun 2. the Cretaceous |
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