scour off

例句：

1. 1. Use a cloth to scour off the dirt from the floor.
   使用布擦拭地板的污垢。
2. 2. The paint was scoured off by the rain.
   雨水把油漆都冲掉了。
3. 3. Scour off any remaining stains with a damp cloth.
   用湿布擦掉任何剩余的污渍。