airways

名词 airway:

1. a duct that provides ventilation (as in mines)
   同义词：air passage, air duct, airway
2. a designated route followed by airplanes in flying from one airport to another
   同义词：air lane, flight path, airway, skyway
3. the passages through which air enters and leaves the body
   同义词：respiratory tract, airway
4. a commercial enterprise that provides scheduled flights for passengers
   同义词：airline, airline business, airway

1. Like any highway system, the federal airways have their main trunk line.
   同任何公路系统一样，联邦航空线路也有其主航线。
2. Your carrier for this flight is British Airways.
   你的这一班机是英国航空公司的飞机。