filament

n 1 very thin strand or fibre, like a thread 细线; 细丝; 线状物. 2 thin wire in a light bulb that glows when electricity is passed through it （电灯泡的）灯丝. =>illus at bulb 见bulb插图.

fifty pence (also fifty p, 50p), fifty-fifty, fig, fig-leaf, fight, fighter, fighting, figment, figurative, figuratively, figure, figure for, figure of eight (US also figure eight), figure of speech, figure on, figure out, figure up, figure-head, figurehead, figurine, filch, file, filet, filial, filibuster, filigree, filing, filing clerk (US file clerk), filings, Filipino, fill, fill in, fill in /out, fill out, fill up, fill with, filler, fillet, filling, filling station,