defective joint

例句：

1. 1. The doctor advised himto have a defective joint replaced immediately.
   医生建议他立即更换一个有缺陷的关节。
2. 2. The patient was diagnosed with afaulty joint that needed immediate repair.
   患者被诊断出有一个需要立即修复的有缺陷的关节。
3. 3. The surgeon performed asuccessful operation on the patient's defective joint.
   外科医生成功地为患者的有缺陷关节进行了手术。