1 to exist or be common in a particular place or at a particular time 存在；流行；盛行: In some remote areas traditional methods of farming still prevail. 在一些偏远地区，传统的耕作方法仍然盛行。

2 (formal 正式)prevail (against/over sb/sth) to win or be accepted, especially after a fight or discussion （尤指经过争吵或讨论之后）获胜，被接受: In the end justice prevailed and the men were set free. 最后，正义得以伸张，那几个男子获得释放。