ball-and-socket

例句：

1. 1. The doctor performed surgery on the patient's ball-and-socket joint.
   医生为患者的球窝关节进行了手术。
2. 2. The ball-and-socket joint in her arm is causing her pain.
   她手臂中的球窝关节正在引起疼痛。
3. 3.The ball-and-socket joint in his leg is weak and painful.
   他腿部的球窝关节虚弱且疼痛。