blown dust

基本解释

After a dry period, the first rain running down the tree bark contains most nutrients, dissolved from wind-blown dust and organic matter.
经过一个干季，第一次雨沿着树干降落下来，带着尘土和有机物的机体。
blog.sina.com.cn
This series of images, derived from a computer model, shows wind-blown dust from North Africa as it spread over the Atlantic Ocean on July 1, 2009.
这组电脑模拟的系列图片展示了南非扬起的尘土在2009年6月1日席卷大西洋的情景。
We travelled north to Tillaberi, a rolling landscape of sand, wind-blown dust, and sparsely scattered bushes and trees, seemingly in the very last stages of desiccation.
我们一直向北到了提拉贝里，那里是一片荒凉—飞沙，飞尘还有稀疏的树木，看起来也即将要干枯了。

The government says it makes no sense to allow much of the country's best soil to lie fallow while farmers struggle to squeeze a living from minuscule, dust-blown fields.
ECONOMIST: Ethiopia
In the first half, WALL-E, a robotic trash collector and compactor, continues to go about his duties after the human presence has been blown away from Earth by billowing waves of noxious dust.
NEWYORKER: WALL-E
Is it just due to the pixie dust being puffed out by Wall Street and the Fed, about to be blown away by the gathering storm others see coming.
FORBES: Consumers And Investors Blissfully Ignorant Of Economic Reality