flutter

v./n.振翼，颤动，(心脏)不规则跳动

flummox, flung, flunk, flunkey (also flunky), fluoresce, fluorescence, fluorescent, fluorescent lamp, fluoridate, fluoridation, fluoride, fluoridization, fluoridisation, fluoridize, fluridise, fluorine, flurry, flush, flushed, fluster, flute, flutist, fluvial, flux, fly, fly into a temper, fly-away, fly-blown, fly-by, fly-by-night, fly-fish, fly-fishing, fly-half, fly-paper, fly-past, fly-spray, flycatcher, flyer, flying, flying buttress, flying colours, flying column,