For example, in fair weather, the air pressure is generally high, the air is still, and often full of dust.

例如，在晴朗的天气里，气压通常很高，空气是静止的，而且经常含有灰尘。

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Clouds are formed from the evaporation of the oceans' water that is warmed by the Sun and rises high into the atmosphere, condensing in tiny droplets on minute particles of dust.

云是由海洋中的水分被太阳加热蒸发而形成的，这些水分上升到大气中，凝结成微小的水滴，附着于微小的尘埃颗粒。

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This summer, the European Space Agency’s Planck satellite produced a high-resolution dust map.

今年夏天，欧洲太空总署发射的普朗克卫星绘制出一张高清尘埃地图。

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Bobo Simbo stands thigh-high in a pool of orange water, sifting the mud for traces of gold dust.

VOA: standard.2010.04.22

"We came up a little short this afternoon, but I think when the dust settles, the entire - everyone on our team can leave Vancouver with their heads up high."

VOA: standard.2010.02.26

Scientist Jeffrey Barnes of Oregon State University said the dust ranges as high as 21 to 24 miles (35-40 km) into the atmosphere.

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Complicating the issue is the volcanic eruption of Toba, in Sumatra, around 74, 000 years ago, which injected so much sulfurous dust into the high atmosphere that it caused prolonged droughts that might have come close to wiping out many human populations.

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