carpometacarpus

例句：

1. 1. She was injured in the car accident and had to have her foot amputated.
   她在车祸中受伤，不得不截肢。
2. 2. The doctor examined her foot and found a small infection.
   医生检查了她的脚，发现一个小感染。
3. 3. He limped across the room, his foot still sore from the fall.
   他一瘸一拐地穿过房间，脚还因为摔倒而疼。