oulonitis

例句：

1. 1.The patient developed a severe case of mastitis after the surgery.
   手术后，患者患上了严重的乳突炎。
2. 2.Mastitis is a common condition that can be treated with antibiotics.
   乳突炎是一种常见的病症，可以通过抗生素治疗。
3. 3.Due to the severity of the mastitis, the patient needed to stay in bed for several days.
   由于乳突炎的严重性，患者需要卧床休息几天。