joints of foot

例句：

1. 1.He has a bad knee and can't walk very far.
   他的膝盖不好，走不了多远。
2. 2. She is wearing high heels, which can cause her ankles to hurt.
   她穿着高跟鞋，这会让她脚踝疼痛。
3. 3.The doctor advised him to take it easy and not put too much pressure on his joints.
   医生建议他要小心行事，不要给关节太多压力。