flex

v.活动肌肉 n.电线

fledge, fledged, fledgeling (also fledgling), fledgling, flee, fleece, fleecy, fleet, fleet admiral, Fleet Street, fleeting, fleetingly, fleetness, flesh, flesh-pots, flesh-wound, fleshly, fleshy, fleur-de-lis (also fleur-de-lys), flew, flexibility, flexible, flexibly, flexitime, flibbertigibbet, flick, flick-knife, flicker, flier, flier (also flyer), flies, flight, flight attendant, flight lieutenant, flight path, flight sergeant, flight simulator, flight-deck, flight-recorder, flightless,