patch belt

例句：

1. 1.The old man's coat had several patches on it.
   老人的外套上有几个补丁。
2. 2. She used a patch to mend her torn shirt.
   她用补丁修补了她的破衬衫。
3. 3. He applied the patch carefully to the wound.
   他小心翼翼地将补丁贴在伤口上。