(noun.) from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants.
(adj.) of or relating to or denoting the third period of the Mesozoic era .
(adj.) abounding in chalk .
手打:玛丽安
双语例句
Such plants had already been in evidence in the later levels of the (American Cretaceous) Mesozoic, but now they dominated the scene altogether. 赫伯特·乔治·威尔斯.世界史纲.