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汉语拼音：diàn niǔ

由接通或断开电路使开关动作的按钮。

1. 电器开关或调节等设备中通常用手操作的部分。多用胶木、塑料等绝缘材料制成。有按下式、扳动式和转动式。

• Hardly had the operator pressed the button before all the machines began to work.

  操作人员一按电钮，所有的机器就开始运行。

• Anna pressed the button that released the catch of the front door.

  安娜按了一下电钮，让前门门环松开。

• All (that) you have to do is to press the button.

  你所要做的就是按一下电钮。

• you can turn out the light, Pug, the button's by the door.

  帕格，你可以把灯全关上，电钮就在门旁边。

• Just press the button to see your favourite character in action.

  只要按一下电钮就可以看到你喜欢的角色在表演。

• And they can see plays, films, operas and shows of every kind, not to mention political discussions and the latest exciting football match.

  他们所要做的只是按一下电钮，就能看到各种戏剧、电影、歌剧和各式各样的演出，而且还能看到各种政治辩论和最近举行的激动人心的足球赛。

• When you press the button, the door will open automatically.

  按下电钮，门会自动打开。

• Wen admitted he felt nervous on Monday before ringing the opening bell on the New York Stock Exchange.

  温家宝承认，星期一在纽约证券交易所按下开盘钟的电钮时，他感到紧张。

• By moving a stick or pushing a button on the control box, a player can direct the movements of some of the objects on the screen.

  玩游戏的人移动操纵杆或者按动控制盒的电钮就可以指挥屏幕上的一些物体的行动。