relief joint

例句：

1. 1.The doctor prescribed a medication to relieve the patient's pain.
   医生开了一种药物来缓解病人的疼痛。
2. 2. She used a hot water bottle to relieve her sore muscles.
   她用热水瓶来缓解她的酸痛肌肉。
3. 3.The patient was advised to use the relief joint for several hours each day.
   患者被建议每天使用这个缓解关节持续几个小时。