Normally a passive animal, when the kangaroo is in competition, he can become very aggressive.

虽说平常是被动挨打的动物，但当袋鼠在竞技场上，他会变得非常积极。

youdao

Normally a passive animal, when the kangaroo is in competition, he can become very aggressive.

虽说平常是被动挨打的动物，但当袋鼠在竞技场上，他会变得非常积极。

youdao