aircyst空气囊肿airn.空气；天空；空中；感觉；神态；曲调；装腔作势v.晾干；使通风；广播air passenger departure tax飞机乘客离境税Air Force Mission Directive空军任务指示air traffic control service航空交通管理业务airspace dynamic management空域动态管理Air ejection transportation加气输送air-to-air gunnery area空中射击区air-conditioning terminal空调末端Air Defense Analysis Center防空分析中心air conditioner chiller fan空气调节器冷却扇；冷气机冷却扇air saturated with moisture水蒸汽饱和空气

1. Air raid wardens in tin hats self-importantly stalked the streets.
   空袭民防队员戴着钢盔神气活现地走在街上昂首阔步。