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plug ELECTRICAL DEVICEplQgn [C]a small plastic or rubber object with two or three metal pins which is fixed to the end of a wire on a piece of electrical equipment, and which is pushed into a special opening in a wall in order to connect the equipment to a supply of electricity插头An American/British/European plug (= one that is used in this particular country or area)美国/英国/欧洲插头Most of the plugs used in Britain are three-pin.在英国大部分使用三心插头。If a plug is wired incorrectly, it can be dangerous.如果插头接线不对会很危险。Plug is also sometimes used to mean SOCKET (= the special opening in a wall through which pieces of electrical equipment are connected to an electricity supply).插座Is there a plug in the bedroom that I can use for my hairdryer?卧室里有没有插座，这样我可以使用电吹风?A plug is also a device which connects a wire from a piece of electrical equipment to a special opening in another piece of equipment.接头The keyboard is connected to the computer by means of a plug.键盘通过接头与计算机相连。I think the plug from the cassette player to the amplifier has come loose.我想盒式放音机连扩音器的接头松了。Plug is also infml for spark plug. [SPARK]Plug is also Am for JACK PLUG.
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