air

66 篇文章
they use thermals, rising columns of warm air, to gain height.
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they use thermals, rising columns of warm air, to gain height. 可它们会利用热空气 ——呈圆柱形上升的热气流来获取高度

As the air rises so it cools,
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As the air rises so it cools, 上升的气流逐渐变冷

carry wet air to the middle of continents.
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carry wet air to the middle of continents. 将潮湿空气带到了大陆中部

As the air rises, so it cools.
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As the air rises, so it cools. 随着气流的上升 温度也逐渐下降

So air currents powered by the sun
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So air currents powered by the sun 至此 由太阳驱动的大气环流

The immensity of the herd can only be properly appreciated from the air.
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The immensity of the herd can only be properly appreciated from the air. 庞大的鹿群只有在空中 才能完全领略它的壮观