beat note

例句：

1. 1. Themusic has a strong beat that keeps timeperfectly.
   这音乐有强烈的拍子，完美地保持了时间。
2. 2. Shedanced to the beatof the drums.
   她随着鼓点跳舞。
3. 3. The artist plays abeautiful melody with a perfect beat.
   这位艺术家演奏的旋律美妙，节奏完美。