bleeders' joint

例句：

1. 1. Hehad a bloody nose and his joints were swollen.
   他鼻子流血，关节肿胀。
2. 2. The doctor advised himto take care of his joints afterthe surgery.
   医生建议他在手术后要照顾好他的关节。
3. 3. Bleeding jointscan be painful and cause swelling.
   出血关节可能会很痛并且导致肿胀。