脚掌

例句：

1. 1. She limped across the room with a sore heel.
   她一瘸一拐地穿过房间。
2. 2. The shoes fit perfectly on his narrow feet.
   这双鞋正好适合他窄小的脚。
3. 3. He put his foot down firmly on the ground.
   他坚定地踏在地上。