trinomen

例句：

1. 1. The conductor led the orchestra through a beautiful trinomen.
   指挥家带领乐团演奏了一首美丽的三重奏。
2. 2. The composer composed a trinomen for the performance.
   作曲家为演出创作了一首三重奏。
3. 3.The performers performed a trio of songs during the concert.
   在音乐会上，表演者表演了三首曲子。