fluorine

n [U] (chemistry 化) element, a pale yellow gas that is both poisonous and corrosive 氟. =>App 10 见附录10.

fluffiness, fluffy, fluid, fluid ounce (abbr 缩写 fl oz), fluidity, fluke, fluky (also flukey), flummox, flung, flunk, flunkey (also flunky), fluoresce, fluorescence, fluorescent, fluorescent lamp, fluoridate, fluoridation, fluoride, fluoridization, fluoridisation, fluoridize, fluridise, flurry, flush, flushed, fluster, flute, flutist, flutter, 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,