tricosand

例句：

1. 1. The conductor led the orchestra through a beautiful trio.
   指挥家带领乐团演奏了一首美妙的三重奏。
2. 2.The composer composed a trio for the piano and violin.
   作曲家为钢琴和小提琴创作了一首三重奏。
3. 3. The dancers performed a trio of ballet routines.
   舞者们表演了一套芭蕾舞三重奏。