scour off

• v. 擦掉；洗去

scour off的用法和样例：

例句

1. Something that is scoured off or disposed of; refuse. Often used in the plural.
   垃圾，废物，污物被冲刷或处理掉的东西。常作复数
2. He scoured off the dirt from the floor.
   他擦去地板上的污垢。