ecthyma

例句：

1. 1.The patient developed a large ecthyma on his left leg.
   患者左腿上长了一个大脓疱。
2. 2. The doctor advised the patient to keep the ecthyma clean and dry.
   医生建议病人保持脓疱清洁干燥。
3. 3. The ecthyma was treated with antibiotic ointment.
   脓疱被抗生素软膏治疗。