Particulate matter, a large proportion of road dust, is the chief pollutant of atmosphere pollution in Beijing.

颗粒物是北京市大气污染的首要污染物，其中交通扬尘对颗粒物浓度的贡献较大。

youdao

Reducing the silt entrance to the paved road and sweeping the road are the main measures of road dust controlling.

减少各种尘土进入道路和进行道路清扫是控制交通扬尘污染的主要措施。

youdao

As for road dust, the fine particles from speedway and circle road were much than from main road and non-main road.

道路扬尘中高速路和环路细小颗粒物较主路和非主路高。

youdao

Up the road came the sound of creaking wheels and then, a slow cloud of dust.

VOA: special.2009.11.14

In nineteen forty-two,Hurston published a story about her own life,called "Dust Tracks on a Road."

VOA: special.2009.02.22

Between midnight and 06:00, the roads are first swept and jetwashed by a machine similar to a road dust sweeper.

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The road was almost obscured by the dust kicked up by the trucks in front of us.

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The donkey is having a little dust bath in the road before the arrival of the Streetview car.

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