1. a duct that provides ventilation (as in mines)

2. a designated route followed by airplanes in flying from one airport to another

3. the passages through which air enters and leaves the body

4. a commercial enterprise that provides scheduled flights for passengers

1.气道；呼吸道
A person'sairways are the passages from their nose and mouth down to their lungs, through which air enters and leaves their body.

airway

e.g. ...an inflammation of the airways.
呼吸道炎症

2.航空路线；航线
The airways are all the routes that planes can travel along.

e.g. How does a private pilot get access to the airways?
私人飞行员如何进入航空路线呢？

3.同airwaves
airways means the same asairwaves .

e.g. The interview went out over the airways.
采访通过电台和电视台播出。

1. 航路：同年,有部份使用芝加哥、克里夫兰和纽约(纽华克)机场的航空公司同意担当协调来往当地航班的各色;在1935年12月,首个航路(airway)管制中心成立,于是,第一代的航空交通管制系统因而诞生,还是第一次对航空交通管制作出系统化.

2. 呼吸道：现场急救要求立即解除威胁生命的创伤,这个过程的基本要点是ABCDE法则,这个法则的前提是避免颈椎的进一步损伤,要对伤员呼吸道(airway)、呼吸(Breathing)和循环(Circulation)状况进行评估,同时要检查伤员是否有神经功能障碍(Disability),