atraton

例句：

1. 2.
   音乐
2. 3.
   金属的
3. 1. The teacher used a trumpet to signal the start of class.
   老师用喇叭来开始上课的信号。
4. 2. The trombone player was the highlight of the performance.
   铜管乐队是演出的亮点。
5. 3.The orchestra played a beautiful piece on their trombones.
   管弦乐队用他们的铜管乐器演奏了一首优美的曲子。