[countable] a building or set of buildings at an airport where air passengers arrive and leave航空集散站 ; 机场航站楼◆A third terminal was opened last year.第三座航站楼去年投入使用。 (IT 信息技术) a piece of equipment, usually consisting of a keyboard and a screen that joins the user to a central computer system（连接到中央计算机系统的）终端◆Please switch off your computer terminal before leaving.请在离开时关闭计算机终端。