Water seeps through sand.

水渗入沙中。

《新英汉大辞典》

When you add water to sand, the mixture turned into almost a gel.

当你往砂子当中加水时，混合物几乎变成凝胶。

youdao

Dry sand absorbs water.

干沙吸收水分。

《新英汉大辞典》

They drill down to the shale, then go sideways and inject high-pressure water, sand or other material into the rock.

VOA: special.2009.10.23

And I was out there and the only place you could really get water, except for a few drinking fountains, were from the Evian booths and it talks on-- sand o three fifty for a bottle of water, which is pretty typical of these places, but what was interesting was the fact that this is shipped in from France.

我也去看了,除了几个饮水机之外,唯一可以喝到水的地方,就是依云矿泉水的摊位,而它的一瓶水要3.5美元,这种地方通常都是这个价,但有意思的是,这是由法国进口的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Water in the sand between the two pots evaporates through the surface of the larger pot, where drier outside air is moving.

VOA: special.2009.02.09

Oil sands are naturally occurring geologic formations that contain a mixture of water, sand, and bitumen.

FORBES: An Indian Consortium Shows Interest In ConocoPhillips' Alberta Oil Sands Assets

Settling pond: man-made depression created to receive water and sand mixture directly from a dredging operation.

UNESCO: L O S S A R Y

The ingredients used in hydraulic fracturing include a small dose of chemicals (0.5%) mixed with water and sand (99.5%).

FORBES: EPA's Fracking Hysteria