trio

• n.
  • the cardinal number that is the sum of one and one and one

    同义词： three 3 III threesome tierce leash troika triad trine trinity ternary ternion triplet tercet terzetto trey deuce-ace

  • a musical composition for three performers
  • three performers or singers who perform together
  • a set of three similar things considered as a unit

    同义词： triad triplet triple

  • three people considered as a unit

    同义词： threesome triad trinity

以上来源于: WordNet