scrub clearer

例句：

1. 1. She used a brush to scrub the stain off her shirt.
   她用刷子把衬衫上的污渍刷掉了。
2. 2. The car was so dirty that we had to scrub it with soap and water.
   这辆车太脏了，我们不得不用肥皂和水把它擦干净。
3. 3. The old lady scrubbed the floor with a brush and cloth.
   老妇人用刷子和抹布擦地板。