淡出

例句：

1. 1.She dabbed her face with atissue to clean it off.
   她用纸巾轻拍脸部来清洁。
2. 2. Thepainter dabbed hisbrush on the canvas.
   画家用刷子在画布上轻扫。
3. 3. The teacher dabbed at thestains on the tablecloth.
   老师轻抚桌布上的污渍。