(also air rifle) noun [C] a gun that uses air pressure to fire small metal balls(pellets) 气枪（利用空气压力发射小金属弹丸）
air hostessˈair hostess
(also hostess) noun [C] a woman who looks after the passengers on a plane （客机上的）女乘务员；空中小姐；女空服员 [SYN] stewardess 同义词为 stewardess☞Look at air steward. 参看 air steward。