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

Ostrich(鸵鸟)是一种鸟(显然是)，并从Bird类继承。

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Now, if a Bird class (say, Ostrich) implements this interface, it has to implement the Fly() behaviour unnecessarily (Ostrich doesn't fly).

现在如果一个Bird类(如Ostrich)实现了这个接口，那么它需要实现不必要的Fly()行为(Ostrich不会飞)。

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The small bird was deep fried simply with oil, salt, and pepper and served to an ailing upper class that had partied into the wee hours.

小鸟只是简单的用油炸一下然后撒上盐和辣椒然后就端给了狂欢到凌晨的上流人士了。

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Without leaving the estate, you can also join a bird-watching group, embark on a nature trail safari or take a photography class.

FORBES: Magazine Article