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同义词： three 3 III trio tierce leash troika triad trine trinity ternary ternion triplet tercet terzetto trey deuce-ace
同义词： trio triad trinity
以上来源于: WordNet
N-COUNT A threesome is a group of three people. 三人组
Most rooms fall into the category of "33m3" and "55m3" rooms for singles, couples and threesomes but other options including the Big One allow groups of 4 or even more to room together.
客房体积多为33立方米及55立方米，这些房间适合单人，情侣，以及三人入住。也有可容纳4人甚至四人以上的团体入住的大型客房可供选择。
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