People have planted a great many trees in order to hold back wind and sand in the desert.

为了阻挡沙漠中的风沙，人们种了很多树。

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Sediment as you know, is material like sand, gravel, fossil fragments that is transported by natural processes like wind, water flow or the movement of glaciers.

如你所知，沉积物是通过风、水流或冰川运动等自然过程输送的物质，如沙子、砾石、化石碎片等。

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The wind blew in from the desert and covered everything with sand.

风从沙漠那边吹来，把一切都蒙上了一层沙子。

《牛津词典》

Wherever the wind dropped sand, dunes formed.

VOA: special.2010.01.04

Another day, we followed the despotic comments and idle comings and goings of a middle-aged Englishman the island was heaving with English people who kept up a kind of running commentary on the temperature, the sand, the wind, and the waves, speaking as emphatically and grandiloquently as if he were uttering a series of deep, long-pondered aphorisms.

NEWYORKER: While the Women Are Sleeping

Dune: accumulations of wind-blown sand in ridges or mounds that lie landward of the beach and usually parallel to the shoreline.

UNESCO: L O S S A R Y

The trees, donated by members of the public, will help to slow the wind, cause sand to be deposited and allow the shrinking dunes to grow.

BBC: Fylde sand dune restoration boosted by Defra funding