Ostrich(鸵鸟)是一种鸟(显然是)，并从Bird类继承。

Ostrich is a Bird (definitely it is!) and hence it inherits the Bird class.

youdao

我喜欢鸵鸟。它们是种鸟。

I like ostriches. They are a kind of bird.

youdao

我喜欢鸵鸟。它们是种鸟。

I like ostriches. They are a kind of bird.

youdao