flue

n channel, pipe, etc through which smoke, fumes or hot air pass from a boiler or oven, usu to a chimney 烟道; 管道.

flow, flow chart (also flow diagram), flower, flower children (also flower people), flower power, flower-bed, flower-girl, flower-show, flowered, flowering, flowerless, flowerpot, flowery, flowing, flown, Flt Lt, flu, fluctuate, fluctuating, fluctuation, fluency, fluent, fluently, fluff, 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,