to shout in a loud voice, or (of a cow or large animal) to make a loud, deep sound

[ + speech ] "Keep quiet!" the teacher bellowed across the room. “安静！”老师在屋子的另一边大声吼道。

We could hear the sergeant bellowing orders to his troops. 我们可以听见中士正向他的士兵大声发布命令。

The bull bellowed in pain. 公牛因疼痛而大声吼叫。