基本解释n.三流；三等同根派生 英汉例句用作名词 (n.)Among them,the top ones have fled to Shanghai,those of the second rank to Hankow,those of the third to Changsha,and of the fourth to the county towns.他们中间，头等的跑到上海，次等的跑到汉口，三等的跑到长沙，四等的跑到县城。