Pleistocene period

• 更新世时期

Pleistocene period的用法和样例：

例句

1. It is thought that women in the Pleistocene may have spent about half of their fertile years lactating, far more than is typical today.
   人们认为更新世时期的女人花自己生育期的一半时间来分泌乳汁，远多于如今的女性。