backproject['bæk'prɔdʒekt; 'bækprə,dʒekt]vt.1.■从幕后投影,从幕后打幻灯布景,从背面放映(以供半透明屏幕前观看):to backproject a slide on the screen从屏幕背后打幻灯片2.■使回忆,使回想起:to backproject oneself to the age of five回想起自己5岁时的情景n.1.■幕后投射的影像