air travel

n.travel via aircraft

同义词：aviationair

1. Air travel has become much more affordable in recent years.
   近年来，航空旅行变得更加平价了。
2. Increased security measures have significantly improved the safety of air travel.
   增加的安全措施显著提高了航空旅行的安全性。
3. Many business professionals rely on air travel for their work.
   许多商业人士依赖航空旅行来进行工作。
4. Different countries have different regulations regarding air travels.
   不同国家对航空旅行有不同的规定。