The dust over Sydney had largely cleared by mid-afternoon.

悉尼的沙尘在午后大幅减少。

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These particles hit our atmosphere and settle like a thin layer of dust over the planet.

这些粒子撞击我们的大气层，并像薄薄的一层尘埃一样落到地球上。

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Large scale solar installations are usually in sunny, dry desert areas where winds can deposit layers of dust over the solar panels.

大规模的太阳能装置通常安装在阳光充足、气候干燥的沙漠地区，太阳能电池板上会被风吹上层层的灰尘。

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And the wind blew the dust over everything.

VOA: special.2009.05.10

They found that over a period of six years, planting three rows of trees reduced total dust and ammonia by more than half.

VOA: special.2009.09.08

President Kennedy once said: "I am certain that after the dust of centuries has passed over our cities, we,too,will be remembered not for our victories or defeats in battle or politics, but for our contribution to the human spirit."

VOA: special.2010.10.29

They were getting deeper into the Christmas spirit, dancing, wearing bizarre outfits, throwing tinselly gold dust over each other.

CNN: From Our Correspondent: Merry Christmas, Uncle Ho

Highly leveraged private equity buyers have left real estate investment trusts in the dust over the past three years, but the REITs are now in a strong cash position, operating with usually no more than 50% leverage and with access to relatively cheap money.

FORBES: GM Building Sale Shows REIT Resurgence

Sassicaia and the luxury-wine boom sprinkled a pinch of fairy dust over the Maremma, a place whose outside appeal was previously confined to the tourists who swarm on the coast in July and August, and the enclaves of wealthy Florentines and Romans who keep beach houses and hunting cabins there (and keep to themselves).

FORBES: The Other Tuscany