n.管道；導(dǎo)管

vt.用導(dǎo)管輸送

One of the air-ducts has become blocked. 有一條輸氣管堵塞了。

Air is heated and then circulated through large ducts to all parts of the house. 空氣被加熱，然后通過大的管道傳送到房間的各個角落。

In the center is a duct lined by carcinoma cells. 中央為有癌細(xì)胞排列于其中的導(dǎo)管。

Remove the defroster duct from the instrument panel. 從儀表板上拆下除霜器導(dǎo)管。

They duct the moist air away. 他們用管道排除濕氣。

n.行為；舉動；品行

v.引導(dǎo)；指揮；管理

vt.導(dǎo)電；傳熱

n.售票員；導(dǎo)體；指揮

vt.扣除；演繹

n.介紹；引進；序言；導(dǎo)論

n.產(chǎn)品；產(chǎn)物；結(jié)果；某種影響下產(chǎn)生的人或物；乘積

n.生產(chǎn)；產(chǎn)量；作品；成果；分泌；制作；上映；播出