n blockage consisting of an object designed to fill a hole tightly
n a wad of something chewable as tobacco
n blatant or sensational promotion
n electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
n an electrical device with two or three pins that is inserted in a socket to make an electrical connection
n an upright hydrant for drawing water to use in fighting a fire
n an old or over-worked horse
v fill or close tightly with or as if with a plug
v persist in working hard
v deliver a quick blow to
v make a plug for; praise the qualities or in order to sell or promote
v insert a plug into
v insert as a plug
n. 插头;栓塞, 插塞(plug的复数)