hydatoid

例句：

1. 1. The patient was diagnosed with rheumatoid arthritis.
   病人被诊断出类风湿性关节炎。
2. 2. Rheumatoid arthritis is a chronic autoimmune disease.
   类风湿性关节炎是一种慢性自身免疫性疾病。
3. 3. The patient's condition worsened after taking the medication for several weeks.
   患者服用药物几周后病情恶化。