If your electrical plug is a standard flat plug so you do not have to bring anything, if it is needed to bring the round socket adapter.

如果你的电器插头是标准的扁形插头那么你什么都不用带，如果是圆形的就需要带转接插座。

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The utility model relates to a rotary two-pole flat plug, suitable for a two-hole and three-hole flat jack socket using an AC power supply.

一种可旋转的二极扁插头，适用于交流电源两、三眼扁插孔插座。

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I thought it would be a good idea to create a plug that could be folded flat so the pins would not cause any damage and also to make it as thin as the laptop itself.

我觉得，如果能发明一个折叠式插头就好了，这样插脚就不会弄坏其他东西，而且能和笔记本一样薄。

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In addition to a flat road tax, Plug-In America also thinks a tax based on the vehicle miles traveled plus weight should be considered, and that a suite of incentives -- both financial and nonfinancial -- should be enacted to spur EV adoption.

CNN: New taxes make electric vehicle owners pay their share

In very related news, GM has struck a deal with Massachusetts-based battery developer A123 Systems to produce flat lithium-ion batteries for use in upcoming plug-in electric vehicles, such as the Chevy Volt.

ENGADGET: Toyota delays next-gen Prius while GM inks deal with lithium-ion maker