风湿性关节炎

例句：

1. 1. She was diagnosed with rheumatoid arthritis and had to take medication for the condition.
   她被诊断出患有风湿性关节炎，并不得不服用药物来治疗这种病。
2. 2. The disease is characterized by joint pain, stiffness, and swelling.
   这种疾病的特点是关节疼痛、僵硬和肿胀。
3. 3. Rheumatoid arthritis can lead to disability and impair daily activities.
   风湿性关节炎可能导致残疾，影响日常生活活动。