scuff preventative treatment

例句：

1. 1. The shoes had a lot of scuffs on them.
   鞋子上有很多刮痕。
2. 2. He noticed the car had been scuffed by someone's shoe.
   他注意到那辆车被某人的鞋刮伤了。
3. 3. Scuff marks are often caused by friction.
   刮痕通常是由于摩擦造成的。