(一般作 triplets)one of three children or animals born at the same birth 三胞胎中的一个
a set or succession of three similar things 三个一组,三件一套 ■(Music)a group of three equal notes to be performed in the time of two or four (乐)三连音符 ■a set of three rhyming lines of verse 三行联句
(Physics & Chemistry)an atomic or molecular state characterized by two unpaired electrons with parallel spins (物理,化)(原子或分子的)三重态(由两个平行旋转的不成对电子组成) ■a group of three associated lines close together in a spectrum or electrophoretic gel 三合光谱
语源
mid 17th cent.: from triple, on the pattern of doublet