敌人不会自行绝灭的。

The enemy will not perish of himself.

youdao

多个实例证明，很多昆虫种类处在数量下降甚至绝灭的状态。

There is empirical evidence that many species of insects are declining, even going extinct.

youdao

主要运用比较定理得到了种群一致持续生存、弱持续生存以及绝灭的判据。

Sufficient criteria on uniform persistence, weak persistence and extinction of the consumer population are obtained by using mainly the comparison theorem.

youdao