Can you imagine a plane that doesn't need any fuel? Here it is. It's a solar-powered plane.

你能想象的出一架不用任何燃料的飞机吗？看，这就是，一架太阳能飞机。

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Just this summer, a Swiss team proved a manned solar-powered plane can fly for 24 hours straight.

就在这个夏天，一个瑞士的团队已经制造出了一架载人的太阳能飞机，它能不间断地持续飞行24个小时。

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It is the first solar-powered plane to carry both a pilot and enough battery storage to power flight through the night.

这是第一架携载了一名飞行员和充足电池储量以提供夜间飞行动力的太阳能飞机。

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And last year, defence firm Qinetiq flew a solar-powered plane for 54 hours, smashing the official world record for the longest-duration unmanned flight.

BBC: Hydrogen-powered plane takes off

The single-person aircraft came from Switzerland and has made history as a solar-powered plane that could fly overnight, thanks to batteries that are charged up during the day.

FORBES: Video: Solar-Powered Plane Takes Off For A U.S. Maiden Voyage

We've been tracking the sun-powered plane known as Solar Impulse for years as it roved hither and yon.

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