plug /plʌɡ/ I. n.［c］栓子，塞子，插头： pull (out) the plug 把塞子拔掉；put plugs in one’s ears用耳塞堵住耳朵；change the plug on the hair driver换吹风机的插头 ‖II. vt.(plugged, plugging)用塞子塞住，接上插头通电：plug the lamp into a wall outlet 将灯与墙上的电源插座接上 plug in插上电源：Could you plug the iron in for me?帮我把电熨斗插上电源好吗？