airborne
adjective uk/ˈeə.bɔːn/ us/ˈer.bɔːrn/
在空中的;空气传播的;空运的;飞行中的
in the air, or carried by air or wind or by an aircraft
The airborne radioactive particles have covered a huge area of Russia. 依靠空气传播的放射性粒子覆盖了俄罗斯一大片地区。
Airborne troops were dropped by parachute behind enemy lines. 空降部队伞降到敌后阵地上。
The old plane had great difficulty getting airborne (= rising into the air). 这架老掉牙的飞机起飞非常困难。