percussion cap

例句：

1. 1. The percussionist struck the drum with a mallet.
   打击乐手用马锤敲打鼓。
2. 2.The percussionist played a cymbal to set the rhythm.
   打击乐手用钹来定节奏。
3. 3. The percussionist was responsible for setting the mood of the performance.
   打击乐手负责为演出设定气氛。