clapper die spotting press

例句：

1. 1. The music teacher uses a clapper to teach students how to play the piano.
   音乐老师使用拍子来教学生如何弹钢琴。
2. 2. The dancers are clapping in unison, following the rhythm of the music.
   舞者们同步拍手，跟随音乐的节奏。
3. 3.The clapper is a small device that helps musicians keep time.
   拍子是一个小装置，帮助音乐家保持时间。