Seral
a. [生态]演替系列的
🗣️ 情景例句
I'm calling to ask you some questions about Susan.
我打电话是想问一些关于苏珊的事。
The child is father of the man.
三岁定到老。
They never become submissive like dogs and horses.
它们从不像狗和马一样变得那么顺从。