Instead of desert sand, hard, gray, concrete covered the land.

只不过覆盖着土地的不是沙漠里的沙子，而是坚硬的灰色混凝土。

One sits down on a desert sand dune, sees nothing, hears nothing.

坐在一个沙丘上，什么也看不见、听不见。

And what the heck causes those massive clouds of blowing desert sand anyway?

到底是什么原因引起了这些巨大的沙漠飞沙云团？

Desert sand shaped by wind is more rounded than sand shaped by water.

风形成的沙漠沙比水形成的沙更圆。

The desert sand around the well had melted into glass from the extreme heat.

在极高的温度下，油井周围的沙子被融成了玻璃。

But Dubai, a modern city built on desert sands, could be such a place for the product.

但迪拜，一座建在沙漠上的现代城市，可能是这种产品的理想之地。

And the ecosystems in which we find ourselves, snow, desert, sand or sea… we won't find them anywhere else.

而我们所处的生态系统，雪、沙漠、沙子或海洋，我们在任何其他地方都找不到。

A sidewinder rattlesnake glides across the hot desert sand.

响尾蛇响尾蛇滑过炎热的沙漠。

He wanted to show that they were so powerful, they could tame the hot desert sands.

他想证明它们是如此强大，可以驯服炎热的沙漠。

Just then the Gump flew up to them and alighted upon the desert sands beside Glinda.

就在这时，阿甘飞向他们， 落在格林达旁边的沙漠上。

As the howling winds whipped the desert sand into a frenzy, a group of strangers huddled together for shelter.

当呼啸的狂风将沙漠的沙子吹得狂乱时，一群陌生人挤在一起寻求庇护。

Buried from time to time by the desert sands, the Sphinx has now been guarding the tombs of the pharaohs for more than 5,000 years.

神一直守护着法老们的坟墓到现在已有5000多年，沙漠里的沙土则时不时地将它掩盖。

Desert sand grains, eroded by the wind rather than water, is too smooth and rounded to bind together for construction purposes.

被风而不是水侵蚀的沙漠沙粒太光滑和圆润，无法结合在一起用于建筑目的。

Unsurprisingly, his successor felt no obligation to complete it, so the unfinished structure was quickly engulfed by the desert sands and wasn't even discovered until the 1950s.

不出所料，他的继任者觉得没有义务完成它，所以这个未完成的建筑很快就被沙漠的沙子吞没，直到20世纪50年代才被发现。

But with desert sands to cross and mountains to tunnel through, the project's challenges are immense and matched only by the price tag that comes with tackling them.

但是，由于要穿过沙漠，穿越山脉，该项目面临着巨大的挑战，只有之相匹配的金钱投入才能解决这些挑战。

At first, people were buried in the dry desert sand, but the graves were dug up by wild animals and people who wanted to steal the things they were buried with.

起初，尸体被埋在干燥的沙漠里，但是坟墓被野生动物和想偷陪葬物的人挖了出来。

The go to idea is, for sand, is this  is the desert sand however sand grains from the desert, they are too rounded and  they all have the same size.

想法是，对于沙子，这是沙漠的沙子，但是来自沙漠的沙粒，它们太圆了，而且它们的大小都一样。

They buried chests in the desert sand, hid them in caves, and sealed them in secret rooms. Inside these chests was a treasure more valuable than gold: the city's ancient books.

他们将箱子埋在沙漠中，藏在洞穴中，并密封在密室中。这些箱子里，藏着一件比黄金还值钱的宝物：城中的古籍。

And just like Paul Atreides, Perseverence would  need to move just right to prevent the desert sands from encroaching on its mission in a way  that would spell disaster like never before.

就像保罗·阿崔迪一样，毅力号需要采取正确的行动，以防止沙漠中的沙子以前所未有的方式侵蚀其使命。

Desert sand is formed by the wind creating tiny, smooth particles whereas the sand found on  riverbeds and coastlines is ground down by water, producing a coarser grain  which is perfect for construction.

沙漠沙子是由风形成的细小光滑颗粒，而河床和海岸线上的沙子被水磨碎，产生更粗的颗粒，非常适合建筑。