air vehicle的用法和樣例：
例句
- Suggestions are given for perfecting the liability ordinance in regulating the Macau air transportation and freighters operators.
文中對完善澳門空運人及航空器經營人的民事責任制度提出了建議。 - An air craft which can take off and land vertically in a small area without the need for runways.The propellers is installed in the top of the helicopter, circumrotate flatly.
能直升直落及在空中停留的航空器，螺旋槳裝在機身的上部，作水平方向旋轉，可在小面積場地起落。
