brushing

例句：

1. 1.She brushed her teeth before going to bed.
   她睡前刷牙。
2. 2.The dog is always combing its fur with a brush.
   这只狗总是用梳子梳理它的毛发。
3. 3. The painter used a brush to paint the picture.
   画家用画笔绘制这幅画。