chronic bronchitis

例句：

1. 1. He has beensuffering from chronic bronchitis for years.
   他多年来一直患有慢性支气管炎。
2. 2.The doctor prescribed him medication to treat his chronic bronchitis.
   医生给他开了药来治疗他的慢性支气管炎。
3. 3. Chronic bronchitis is a serious condition that requires regular medical care.
   慢性支气管炎是一种严重的疾病，需要定期的医疗照顾。