osteoarthrosis

例句：

1. 1.He developed a painful condition in his knee that required surgery.
   他的膝盖出现了一种疼痛的病症，需要手术。
2. 2. The patient was diagnosed with osteoarthrosis and advised to take medication regularly.
   患者被诊断出患有骨关节炎，并被建议定期服用药物。
3. 3.The doctor explained the symptoms of osteoarthrosis and recommended physical therapy as a treatment option.
   医生解释了骨关节炎的症状，并推荐了物理治疗作为治疗选项。