Knee osteoartirrisis

• 膝关节

Knee osteoartirrisis的用法和样例：

例句

1. The old man disjointed his knee when he fell.
   老人跌跤时把膝关节摔脱了臼。
2. My knee joints have been aching for a week.
   我的膝关节疼了一个星期了。