airway基本解释
n,导气管；空中航线；通风孔,同近
How does a private pilot get access to the airways?.一个私人飞机的飞行员如何获得航线使用权呢？
导气管；空中航线；通风孔英释中释nthe passage in your throat that you breathe through
airway bill,n. 航运收据.短语
