cretaceous 详细解释

cretaceous

[kri'teiʃəs]

adj.白垩的,白垩纪的
n.白垩纪, 白垩系

词形变化

副词: cretaceously |

词义辨析

同义参见:

chalky  milky  white  

英英释义

名词 cretaceous:

from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants

同义词:Cretaceous period

形容词 cretaceous:

abounding in chalk

of or relating to or denoting the third period of the Mesozoic era

补充

cretaceouscretaceous英:[kriˈteiʃəs] 美:[krɪˈteʃəs]adj.1.白垩的,白垩纪的n.1.白垩纪,白垩系