Bitot's patches

例句：

1. 1.The old man was wearing a Bitot's patch on his sleeve.
   老人的袖子上戴着一块毕托的补丁。
2. 2.She used a Bitot's patch to mend her torn shirt.
   她用一块毕托的补丁来修补她破旧的衬衫。
3. 3. The children were playing with their Bitot's patches as a game.
   孩子们用他们的毕托补丁作为游戏玩。