nasopharyngeal airway

例句：

1. 1. The patient's nasopharyngeal airway was blocked during the procedure.
   患者在手术过程中的鼻咽管被阻塞了。
2. 2.The doctor inserted a nasopharyngeal airway to relieve the patient's breathing difficulties.
   医生插入一个鼻咽管来缓解患者的呼吸困难。
3. 3. During the operation, the surgeon had to clear the nasopharyngeal airway to ensure proper oxygenation of the patient.
   在手术过程中，外科医生必须清理鼻咽管以确保患者得到适当的氧气供应。