porpoise['pɔ:pəs]n.1.■【动物】2.■小鲸;五鸟鲸(Phocoena phocoena)3.■海豚(Delphinus delphis L.)4.■鼠海豚科(Phocoenidae)5.■原海豚属(Stenella)6.■宽吻海豚(Tursiops truncatus Montague)7.■(飞行时的)纵向跳跃;纵向摆动;(飞机)海豚式颤动着陆vi.1.■(像鼠海豚一样)跳跃(或入水):The penguins porpoised away on all sides.企鹅向四面八方跳去。2.■(快艇等)起伏疾驶3.■(鱼雷等)窜出水面4.■(飞机)作海豚式颠簸着陆变形n.porpoisesporpoise
porpoiseporpoise[ˈpɔ:pəs]n.1.■【动】海豚2.■前后振动, 波动