fleeting

adj. 短暂的，飞逝的

flaxen, flay, flea, flea market, flea-bag, flea-bite, flea-pit, flea-ridden, fleck, fled, fledge, fledged, fledgeling (also fledgling), fledgling, flee, fleece, fleecy, fleet, fleet admiral, Fleet Street, fleetingly, fleetness, flesh, flesh-pots, flesh-wound, fleshly, fleshy, fleur-de-lis (also fleur-de-lys), flew, flex, flexibility, flexible, flexibly, flexitime, flibbertigibbet, flick, flick-knife, flicker, flier, flier (also flyer),