n.塞子;插头;消防栓;(内燃机的)火花塞;
vt.& vi.插上插头;
vt.以(塞子)塞住;插入;〈俚〉枪击,殴打;
vi.填塞,堵;〈俚〉勤苦工作,用功;
例句:
A cheaper range of products was introduced to plug the gap at the lower end of the market.
推出相对廉价的一系列产品,是为了填补较低档市场的缺口。
The VCR plugs into the back of the television.
录像机可插到电视机的后部。
a three-pin plug
三相插头