Imagine standing in the middle of the Utah desert on a warm summer day.

设想某个温暖的夏日，你身处犹他州的沙漠深处。

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Imagine an oasis of warm sunlight surrounded by a desert of freezing cold darkness.

想象一下由寒冷黑暗沙漠包围的具有温暖阳光的绿洲。

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Warm and dry climate, water level declined, desert land and human activity are the primary reasons of this evolution.

造成湖岸形态变化的主要原因是气候暖干化、湖水位下降、土地沙漠化和人类活动的共同影响。

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Mr.Obama got a warm welcome in this university in the desert.

VOA: standard.2009.05.14

Imagine standing in the middle of the Utah desert on a warm summer day.

设想某个温暖的夏日,你身处犹他州的沙漠深处。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

"It suggests that many of the adaptations that we currently think of, in terms of camels being adapted to warm desert-like environments, could have actually originated through adaptation to quite the opposite extreme... cold, harsh environments, " he explained.

BBC: Giant camel fossil found in Arctic

It is proposed that the cell might be used in applications which require relatively low power consumption, for example sensors of various kinds or emergency signaling units, and that the devices might be used best in desert or warm coastal regions where the water is readily evaporated from the cell, thus maintaining its concentration gradient.

FORBES: A Fuel Cell That Runs On Air And Water

At sunset, with a warm wind blowing off the desert, we sail Jelal's felucca, the open boat that more than any other evokes the romance of the Nile.

BBC: The perfect trip: Egypt