| 单词 | Cretaceous |
| 释义 | Cretaceous Cre.ta.ceous AHD: [kr¹-t³“sh…s] D.J. [kr!6te!.*s]K.K. [kr!6te.*s]adj.（形容词）1. Of, belonging to, or designating the geologic time, system of rocks, and sedimentary deposits of the third and last period of the Mesozoic Era, characterized by the development of flowering plants and the disappearance of dinosaurs.See table at geologic time 白垩纪的：属于或表明地质时期岩石体系以及中生代的第三和最后一个纪的沉积物的，此纪以有花植物的进化和恐龙的灭绝为特征参见 geologic time2. cretaceous Of, containing, or resembling chalk.cretaceous 白垩的：白垩的、含白垩的或似白垩的n.（名词）The Cretaceous Period.白垩纪语源:1. From Latin cr¶t³ceus [chalky] 源自 拉丁语 cr¶t³ceus [白垩的] 2. from cr¶ta [chalk] 源自 cr¶ta [白垩] 3. from Cr¶ta (terra) [Cretan (earth)] 源自 白垩（土） [白垩的（土）] 继承用法:creta“ceously adv.（副词） |
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