mat patch

例句：

1. 1.The old rug needed a mat patch to fix the holes.
   旧地毯需要一块补丁来修补洞。
2. 2. He used a piece of fabric as a mat patch on the floor.
   他在地板上用一块布料做了一个补丁。
3. 3. The car was fixed with a new mat patch before it left the workshop.
   这辆车在离开车间前被换上了新的补丁。