air

n.大气，空气；态度，神态 vt.通风

ahead of time, ahem, ahoy, AI, aid, aide, aide-de-camp, aide-memoire, AIDS, ail, aileron, ailing, ailment, aim, aim at, aim for, aimless, aimlessly, aimlessness, ain't, air base, air brake, Air Chief Marshal, air commodore, air force, air hostess, air jet, air letter, Air Marshal, air pocket, air pump, air raid, air rifle, air speed, air terminal, air traffic controller, Air Vice Marshal, air-bed, air-bladder, air-conditioned,