详细解释:n. 海豚, 鼠海豚
词型变化：
名词复数:porpoise英语解释：
名词 porpoise:
any of several small gregarious cetacean mammals having a blunt snout and many teeth例句：
As the turtle swims across the oceanarium, the first porpoise swoops down from above and butts his shell with his belly.当海龟游过水族馆时，第一只海豚从上方猛扑下去，并用腹部撞击龟壳。