airmail

n.航空邮件

airborne, airbrush, Airbus, airconditioner, aircraft, aircraft carrier, aircraft-carrier, aircraftman, aircraftwoman, aircrew, airfield, airgun, airily, airing, airing cupboard, airless, airlift, airline, airliner, airlock, airman, airplane, airport, airship, airsick, airsickness, airspace, airtight, airway, airwoman, airworthiness, airworthy, airy, airy-fairy, aisle, aitch, aitchbone, ajar, aka, akimbo,