n.烟道;暖气管
The flue has become sooted up. 烟道里都是黑灰。
The flue should draw better once it's been swept. 烟道一经清扫,通风情况应好些。
The fire won't burn because the flue is blocked up. 因烟道堵塞火烧不起来。
If the flue overdraws, all the heat goes right up the chimney. 如果风管抽风过度的话,热量就会直接从烟囱跑掉了。
adj.流利的;流畅的
adv.流利地;流畅地
n.流出;流出物