You cannot interchange a "male" with a "female" electric plug.

你不能将“凸”、“凹”插头互换。

《柯林斯英汉双解大词典》

The mother warned the boy not to touch the electric plug.

母亲警告孩子不要摸电源插头。

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Its Japanese rival, Nissan, displayed a pure electric plug-in car called the Leaf, which is already on the market in Japan and will hit US showrooms this year, arriving in Britain in 2012.

它的日本对手日产展示了一款纯电动充电轿车，名叫叶子，已在日本市场销售，今年将会在美国展示，2012年进入英国。

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It also plans to offer more hybrids, including an electric plug-in in the U.S. next year.

FORBES: Toyota Rides Hybrid Sales To $91 But Competition Is In Overdrive

And Volvo's V60, which the company says is the world's first diesel-electric plug-in hybrid in production, offers a package of solutions to such drivers, he insists.

BBC: Volvo eyes 'responsible' car buyers

The company is hosting the EV Experience Tour to help other businesses and key stakeholders understand technical and business approaches for deploying pure electric and plug-in hybrid electric vehicles.

ENGADGET: GE kicks off EV Experience Tour, promises WattStations for all