airoutn.出气(空气输出口)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 foam systems空气泡沫灭火系统airdrop platform空投平台airbone platform机载稳像平台Air Rescue Group空中救援大队air-bag design风包设计air pre-heater空气预热器air brake grease气闸润滑脂air-raid sirenn.空袭警报笛air void content空隙率air-dry cocoon风干茧

1. He services in a squadron of US Air Force.
   他在一支美国空军部队里服役。
2. Air force units have been ordered to intensify their patrols.
   空军部队奉命加强巡逻。