alveolar duct

例句：

1. 1.The patient was given an alveolar duct to help clear his lungs.
   患者被给予一根气道导管以帮助清除他的肺部。
2. 2. During surgery, the surgeon uses an alveolar duct to inject medication into the patient's lungs.
   在手术过程中，外科医生使用一根气道导管将药物注入患者的肺部。
3. 3. The alveolar duct is a thin tube that connects the trachea and bronchi.
   气道导管是一根连接气管和支气管的细管。