Mesozoic age

• 中生代

Mesozoic age的用法和样例：

例句

1. Mammals arose from a fairly primitive reptile in the Mesozoic era.
   哺乳类起源于中生代宛若原始的爬虫类。
2. Fossil members of the Ginkgophyta are common from rocks of Mesozoic age.
   银杏通常在中生代时期的岩层中被发现。