脚脖子

例句：

1. 1. He sat on the couch with his foot on the floor.
   他坐在沙发上，脚踩在地板上。
2. 2. She walked around the room with her foot in a cast.
   她戴着石膏的脚在房间里走来走去。
3. 3. The old man had to use crutches to get around with his foot injuries.
   这位老人不得不用拐杖来行走，因为他的脚受了伤。