carpomaetacarpal joint of thumb

例句：

1. 1. Thedoctor examined the patient's carpomaetacarpal joint and found no signs of injury.
   医生检查了患者的拇指掌指关节，没有发现任何受伤的迹象。
2. 2. She was hurting her carpomaetacarpal joint after a long day at work.
   在长时间的工作后，她的手拇指掌指关节感到疼痛。
3. 3.The surgeon performed an arthroscopic surgery to repair the carpomaetacarpal joint.
   外科医生进行了一次关节镜手术来修复拇指掌指关节。