mammitis

例句：

1. 1. She developed mammitis after giving birth to her baby.
   她在生完孩子后患上了乳腺炎。
2. 2.The doctor diagnosed her with mammitis and prescribed antibiotics.
   医生诊断她患有乳腺炎，并开了抗生素。
3. 3. Mammitis can be caused by bacteria or viruses that enter the milk ducts.
   乳腺炎可能是由细菌或病毒进入乳管引起的。