patella migrans

例句：

1. 1.She had a painful knee injury that required surgery.
   她有一个疼痛的膝盖受伤，需要手术。
2. 2.The doctor diagnosed her with patella migrans and prescribed medication.
   医生诊断出她的病情是髌骨软骨炎，并开了药。
3. 3. He was advised to rest his injured leg and avoid activities that could worsen the condition.
   他被建议休息受伤的腿，避免活动可能会恶化病情。