吃掉自己后代的动物，他们的基因走进了生物学的死胡同。

The animal that eats its offspring, those genes are a biological dead end.

youdao

基因A让动物关心后代。

Gene "a" makes an animal care for its offspring.

youdao

一胎多仔的动物一次生的后代。

The offspring at one birth of a multiparous mammal.

youdao

哺乳动物繁衍后代时不是卵生，而是胎生。

Mammals don't lay eggs. They give birth to live babies.

youdao

哺乳动物繁衍后代时不是卵生，而是胎生。

Mammals don't lay eggs. They give birth to live babies.

youdao