In the 1920s airplanes loaded with electrified sand were piloted by military aviators who "attacked" the clouds in futile attempts to both make rain and clear fog.

18世纪20年代，军事飞行员驾驶着载满带电沙粒的飞机去袭击云层，尝试人工造雨并且清除雾层。

youdao

At dawn, three weeks before the winter solstice, the last tendrils of fog curled gray against the pinking sky over a sand dune on the eastern edge of the Namib Desert.

就在冬至前三周，晨曦时分，纳米比亚大沙漠的东边的沙丘上，最后一缕灰色的晨雾衬着粉色的天空蜿蜒屈曲。

youdao

Surface colors include mirror, sand, titanium and fog, up to your choice. special color may be provided according to your demand.

表面颜色，镜面、砂光、钛金、可供选择，或根据要求定做颜色。

youdao

The actress,who was nominated for an Oscar for the 2003 feature film House of Sand and Fog, thanked her family, and the cast and crew of the four-episode series.

VOA: standard.2009.09.21

The fog has cleared as I move clumsily across a towering sand dune that rolls down into the foaming white breakers.

BBC: The ghostly shore of Namibia��s Skeleton Coast