balanitis erosiva

例句：

1. 1. The patient had a skin ulcer on his leg that required medical attention.
   病人的腿上有一个皮肤溃疡，需要医疗关注。
2. 2. The doctor prescribed antibiotics to treat the patient's skin ulcer.
   医生给患者开了抗生素来治疗皮肤溃疡。
3. 3.The patient was advised to keep the wound clean and dry to prevent further skin ulcer development.
   患者被建议保持伤口清洁干燥，以防止皮肤溃疡进一步恶化。