低音大号

例句：

1. 1. The orchestra played the timpani during the performance.
   演出期间，管乐队演奏了定音鼓。
2. 2. The conductor used a timpani to guide the band.
   指挥使用定音鼓来指导乐队。
3. 3. The timpani player was responsible for setting the tempo of the music.
   定音鼓手负责设定音乐的节奏。