"雄"常常用来说动物是公的，比如"雄狮"、"雄鸡"。

"雄" is often used to indicate male animals, such as "雄狮" (male lion) and "雄鸡" (rooster).

它也可以表示强大、有力，像"英雄"这个词。

It can also mean strong or powerful, as in the word "英雄" (hero).