joint filler

例句：

1. 1. The doctor prescribed a joint filler to help relieve my pain.
   医生开了一种关节填充剂来帮助缓解我的疼痛。
2. 2.During the surgery, they used a joint filler to stabilize the joint.
   在手术期间，他们使用了关节填充剂来稳定关节。
3. 3. The patient was advised to take a joint filler for six months before undergoing surgery.
   患者被建议在手术前服用关节填充剂六个月。