three·some /ˈθrisəm/
三人一組,三人的競賽,一人對兩人的比賽
threesome
n 1: the cardinal number that is the sum of one and one and one
[syn: three, 3, III, trio, tierce, leash, troika,
triad, trine, trinity, ternary, ternion, triplet,
tercet, terzetto, trey, deuce-ace]
2: three people considered as a unit [syn: trio, triad, trinity]