这种兔子在澳大利亚没有天敌，所以它们繁殖得很快。

This rabbit had no natural enemies in Australia, so it multiplied rapidly.

youdao

它们没有办法抵御天敌。

They have no way to fight them.

youdao

因为它们没有任何捕食天敌，所以他们有很高的存活率。

Since they don't have any predators, they have a high survival rate.

youdao

因为它们没有任何捕食天敌，所以他们有很高的存活率。

Since they don't have any predators, they have a high survival rate.

youdao