英语词汇“chalk period”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	chalk period
释义	> as lemmas chalk period chalk period n. the cretaceous period (see cretaceous adj. 2). ΚΠ 1904 J. R. A. Davis Nat. Hist. Animals III. lii. 309 The toothless Pterosaurs (species of Pteranodon), which flourished during the Chalk period. extracted from chalkn. < as lemmas
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> as lemmas