名詞 cenozoic:

1. approximately the last 63 million years
   同義詞：Cenozoic era, Age of Mammals

形容詞 cenozoic:

1. of or relating to or denoting the Cenozoic era

Ce.no.zo.ic

adj.（形容詞）
Of, belonging to, or designating the latest era of geologic time, which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents, glaciation, and the diversification of mammals, birds, and plants.See table at geologic time
新生代的：屬于、隸屬于或稱呼地質(zhì)史上最新的時(shí)代的，包括第三紀(jì)和第四紀(jì)，其特征為現(xiàn)代大陸的形成、冰川作用以及哺乳動(dòng)物、鳥類和植物的多樣化參見 geologic time
n.（名詞）
The Cenozoic Era.
新生代

來源：
Greek kainos [new] * see ken-
希臘語 kainos [新的] *參見 ken-
-zoic
-zoic