brush compare check

例句：

1. 1. She brushed her hair before bed.
   她睡前梳了头发。
2. 2. The painter used a brush to paint the picture.
   画家用画笔给这幅画上色。
3. 3. Brush your teeth after meals to keep them healthy.
   餐后刷牙，保持牙齿健康。