rubbings

例句：

1. 1. He got a scraping on his knee while playing soccer.
   他在踢足球时膝盖被擦伤了。
2. 2. She applied the ointment to her bruised arm for relief.
   她把药膏涂在受伤的手臂上以求缓解。
3. 3.The doctor examined the contusion and advised rest.
   医生检查了挫伤，并建议休息。