joint ring

例句：

1. 1.The doctor advised him to take a break from his work and exercise regularly.
   医生建议他休息一下，并定期锻炼。
2. 2.The team needs to strengthen their joint rings to improve performance.
   团队需要加强他们的关节环以提升表现。
3. 3.The athletes are using special equipment to prevent injuries during the joint rings competition.
   运动员们正在使用特殊的设备来防止在关节环比赛中受伤。