It's like a mirage, where heat causes the bending of light rays and cloaks the road ahead behind an image of the sky.

实验就象海市蜃楼，在高温下，光线发生弯曲，从而前面的道路就看不见了，而只能看到后面的天空图像。

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Pie in the sky: the idea of a flying car has finally got off the ground. Drivers will be able to lift off from almost any long straight road - traffic permitting.

只要交通允许，驾驶员几乎可以驾驶它在任何一条有一定长度的直路上起飞！

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Enter the Switchblade, a flying motorcycle that Northern California engineering firm Samson Motorworks hopes to have on the road and in the sky by next year.

是位于加利福尼亚北部的工程公司Samson Motorworks希望明年能够在陆地和天空中使用的一种飞行摩托车。

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But those who are riding solar bandwagons on a sunny blue sky road to energy independence should beware.

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There were few cars on the road, and the sky was cloudy, an ominous sight in a city that gets only seven inches of rain per year.

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We were driving to Maine and the road was lonely and the sky the blackest I'd ever seen and my sister and I were in the back seat.

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