rheumarthritis

例句：

1. 1.He has rheumatism in his left shoulder and knee.
   他的左肩和膝盖有风湿病。
2. 2. Rheumatism is a chronic condition that affects the joints.
   风湿病是一种慢性疾病，影响关节。
3. 3.The doctor prescribed him medication to treat his rheumatism.
   医生给他开了药来治疗他的风湿病。