They also found evidence that wind gusts in the northern polar region are strong enough to move grains of sand.

他们也发现北极地区的阵风有足够力量移动沙丘的证据。

youdao

25Chinese women lay straw in a grid to prevent the sand from drifting in the wind in the desert of Baijitan Conservation Area near Yinchuan, Ningxia Hui Autonomous Region on July 17, 2010.

2010年7月17日，宁夏银川附近的白芨滩自然保护区的沙漠中，一名妇女正在将草植成网状，以防止沙子随风而起。

youdao

Yongding River sand land is the largest area of wind-sand land sand and is one of the most severe wind sand damage region in Beijing, Which has important influence to eco-entironment in Beijng.

永定河沙地是北京市面积最大的风沙化土地和风沙危害最严重的地区之一，对北京市的生态环境有重要影响。

youdao