triplex

例句：

1. 1. The conductor conducts the orchestra with precision and skill.
   指挥家以精确和技巧指导交响乐团。
2. 2. The composer composed this piece of music for his wife on their anniversary.
   作曲家为妻子创作了这首周年纪念曲。
3. 3. The performers performed a triple act in front of an audience of thousands.
   表演者在数千名观众面前进行了一场精彩的演出。