单词	air duct
释义	air duct noun 1 : a duct or pipe for conveying air (as to the rooms of a house or ship for ventilation or to a furnace) 2 : the duct connecting the air bladder and alimentary canal of certain fishes Word History First Known Use 1744, in the meaning defined at sense 1
随便看	refect refected refecting refection Refection Sunday refectioner refectioners refections refective refectorarian refectorer refectorial refectorian refectorians refectories refectory refectory table refectory tables refects refed refeed refeeding refeeding syndrome refeedings refeeds

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