The Tertiary period
01
第三纪, 第三时期
a division of earth's geological time that began about 66 million years ago and lasted until about 2.6 million years ago
语法信息
有生性状态
抽象
形态构成
复合词
可数
复数形式
tertiary periods
专有
例子
The Tertiary Period saw the diversification of mammals after the extinction of the dinosaurs.
第三纪见证了恐龙灭绝后哺乳动物的多样化。
