urarthritis

例句：

1. 1. He developed a uarthritis in his right knee after an accident.
   他在一次事故后患上了右膝的关节炎。
2. 2. The doctor diagnosed her with rheumatoid arthritis.
   医生诊断她患有风湿性关节炎。
3. 3.People with arthritis often experience joint pain and stiffness.
   关节炎患者常常经历关节疼痛和僵硬。