noun插头;(浴缸的)塞子
verb堵塞,封堵(孔洞);把…插上电源,接通…的电源
nouna thing with metal pins that joins a lamp, machine, etc. to a place in the wall (called a socket) where there is electricity
nouna round thing that you put in the hole in a bath, to keep the water in
verbto fill a hole, so that nothing can get out
verbto join a lamp, machine, etc. to the electricity, using a plug