cretaceous [kri'teiʃəs]
参考词典中cretaceous的常规释义：
基本释义
- adj.
〈地〉白垩纪的
词形变化
- 副 词：cre·ta'ceous·ly
英英解释
1个名词解释
- from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
[同] cretaceous, cretaceous period
点击查看……2个形容词解释
- abounding in chalk
- of or relating to or denoting the third period of the Mesozoic era
点击查看……- from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
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