n.逃避现实社会的人，中途退出者，退学者，落后者；（磁带上的）信息漏失点；中途退学的人； 变形： 复数：drop-outs 英英释义： drop-out[ 'drɔp,aut ]n.someone who quits school before graduation同义词：dropoutsomeone who withdraws from a social group or environment同义词：dropoutv.give up in the face of defeat of lacking h