He added sand to the soil to make it more porous.

他往土里掺沙子以提高渗水性能。

He fell face downwards in the sand.

他脸朝下跌到沙子里。

The white sand reflected the sun's heat.

白色的沙子能反射太阳的热量。

There is a mass of sand in the yard.

院里有一堆沙子。

The sand in the water gravitated towards the bottom of the bottle.

水中的沙子沉到瓶底。

We need 3 cubic yards of sand.

我们需要3的沙子。

Salt from the sea have encrust on the dry sand.

海水中的盐在乾燥的沙子上结。

Miranda sifted the warm sand through her fingers.

米兰达将暖和的沙子从指缝中漏下。

The children shaped the wet sand.

孩子们把湿沙子堆各种形状。

My towel’s all sandy!

我的毛巾上全是沙子！

Deposit the sand here.

把沙子放在这儿。

Sand is finer than gravel.

沙子比碎石细。

It receives its name from the echoing Shhhh that the sand makes as you step on its surface.Visitors here can try camel rides, can parasail, can slide the dunes or simply build sand castles.

响沙湾为沙漠中的一月牙形沙丘，从沙丘顶部滑下，沙子会发出轰鸣声，形著名的“响沙”奇观，是罕见的自然景观。