offspring的复数形式是offsprings 或者offspring.

offspring：n.孩子;子女;后代;崽兽;幼崽;幼苗

例句：

The mother tiger takes care of its four offspring.

母虎照看它的四只幼崽。

The seeds will produce many offspring.

这些种子将会发出许多幼苗。

This device is the offspring of his inventive mind.

这一装置是他那长于发明的头脑的产儿。

Her offspring are diligent and intelligent.

她的孩子们既勤奋又聪明。

How many offspring does a lion usually have?

一只狮子通常能生多少只小狮子？