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。
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。
Fine particles of dust do not simply lie around until they are blown away by the wind.
沙尘中的细小颗粒只有在风的作用下才会漫天铺地。
Severe wind storms in the west of New South Wales have blown a dust cloud that has engulfed Sydney and surrounding areas.
在新南威尔士州西部有严重的暴风雨吹尘云席卷悉尼及其周边地区。
Accumulated dust has collected on the rover's solar panels, but was blown clear by a rare wind gust.
累计已收集粉尘对火星车的太阳能电池板，但被吹了一个难得的一阵风清楚。
Natural and man made factors make sand blown by wind environment, one of sourse regions of sand getting up on the spot during capital sand dust devil weathers, worse and worse.
潮白河流域密怀山前地区处于古北口—天竺东北信风带 ，自然和人为因素导致风沙化环境渐趋强烈 ，成为首都沙尘暴天气中就地起沙的源区之一。
The wind causes much wearing of rocks, particularly if sand and dust are blown along by it.
风引起岩石磨耗，尤其是当风沙很大时。
The wind causes much wearing of rocks, particularly if sand and dust are blown along by it.
风引起岩石磨耗，尤其是当风沙很大时。
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