单词：threesomes
音标：[ˈθri:səmz] ；
n. 三倍的( threesome的复数形式 ); 三人一组; 三人的竞赛; 一人对两人的比赛
n. the cardinal number that is the sum of one and one and one
n. three people considered as a unit
n. three people considered as a unit