资料来源 : pyDict

三个一组,三个一幅,三份

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Triplet \Trip"let\, n. [From {Triple}.]
   1. A collection or combination of three of a kind; three
      united.

   2. (Poetry) Three verses rhyming together.

   3. (Mus.) A group of three notes sung or played in the tree
      of two.

   4. pl. Three children or offspring born at one birth.

资料来源 : WordNet®

triplet
     n 1: the cardinal number that is the sum of one and one and one
          [syn: {three}, {3}, {III}, {trio}, {threesome}, {tierce},
           {leash}, {troika}, {triad}, {trine}, {trinity}, {ternary},
           {ternion}, {tercet}, {terzetto}, {trey}, {deuce-ace}]
     2: one of three offspring born at the same time from the same
        pregnancy
     3: a set of three similar things considered as a unit [syn: {trio},
         {triad}]