aerobics

n．增氧健身操，健美操

advise sb. to do sth., advised, advisedly, adviser, adviser (also esp US advisor), advisory, advocacy, advocate, advt, adze (US adz), Aegean, aegis, aeon (also eon), aerate, aeration, aerial, aerie, aero-, aerobatic, aerobatics, aerodrome, aerodynamic, aerodynamics, aeronautics, aeroplane, aerosol, aerospace, aesthete, aesthetic, aesthetically, aesthetically (US also es-), aestheticism, aesthetics, aesthetics (US also es-), aetiology (US also etiology), afar, affability, affable, affably, affair,