[] ( exˈtractor fan) a device that removes hot air, unpleasant smells, etc. from a room排气扇；抽油烟机◆the noise of the factory's extractor fan这家工厂排气扇的噪音◆fume extractor equipment排烟设备a device or machine that removes sth from sth else提取器；萃取器 () software that finds and collects particular information from a computer file, web page, etc.抓取程序；搜集程序◆an email extractor电子邮件搜集程序