n.travel via aircraft

同義詞：aviationair

1. Air travel has become much more affordable in recent years.
   近年來(lái)，航空旅行變得更加平價(jià)了。
2. Increased security measures have significantly improved the safety of air travel.
   增加的安全措施顯著提高了航空旅行的安全性。
3. Many business professionals rely on air travel for their work.
   許多商業(yè)人士依賴航空旅行來(lái)進(jìn)行工作。
4. Different countries have different regulations regarding air travels.
   不同國(guó)家對(duì)航空旅行有不同的規(guī)定。