cenozoic

• 指地质时间上最新的一个代，约从6600万年前至今，以哺乳动物和鸟类的繁衍与占据主导为特征。

Relating to the most recent era of geological time, from about 66 million years ago to the present, characterized by the development and dominance of mammals and birds.

1. C2formalscientific

   Relating to or denoting the Cenozoic era, the most recent geological era, following the Mesozoic, characterized by the development and dominance of mammals and birds.

   新生代

   • The Cenozoic era began about 66 million years ago after the extinction of the dinosaurs.
   • Cenozoic rocks contain abundant fossils of mammals.
   • The landscape was shaped by tectonic activity during the Cenozoic period.

• 显生宙最新的地质年代，约6600万年前开始并延续至今，以非鸟恐龙灭绝后哺乳动物和鸟类的繁盛为特征。

A proper noun referring to the geological era that began approximately 66 million years ago and continues to the present, characterized by the dominance of mammals and birds after the extinction of non-avian dinosaurs.

不可数 · 专有名词

1. Geological eraC1formalscientific

   The most recent era of geological time, spanning from about 66 million years ago to the present, characterized by the dominance of mammals and birds after the extinction of non-avian dinosaurs.

   地质时代

   • The Cenozoic is often called the Age of Mammals.
   • During the Cenozoic, continents moved into their current positions.
   • The climate cooled significantly in the later part of the Cenozoic.

   同义词age of mammalscenozoic era