在有些地方大沙丘使得靠近海滩很难。
我们走到了最远点，然后坐在沙丘上。
We walked to the furthermost point and then sat on the sand dunes.
海平面可能会升高，或者陆地可能会下降；不论发生哪种情况，沙丘都将很快消失。
The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.
如今降雨的时候，雨水会带着黏土和泥沙颗粒从沙丘两边往下流。
Now, when the rain fell, water ran down the sides of the dunes, carrying clay and silt particles with it.
在海岸与内陆沙丘地带的边缘之间，沙地与覆盖植被的地表交相辉映。
Between the shore and the inland edge of the dune field, sand alternates with the vegetated ground.
第二，正如你所知，除了沙粒，沙丘还含有其他类型的颗粒，包括粘土和淤泥。
Second, as you know, sand dunes contain other types of particles, besides sand, including clay and silt.
当我沿着沙丘的边缘向下快速奔跑时，我的双手紧紧抓住控制杆，甚至让我感到了疼痛。
My grip on the control bar was painfully tight as I ran down the lip of the dune.
我们所看到的石灰岩层高达一千米，而宽却只有几米，沿着沙漠底部和沙丘间的山谷分布。
They're up to a kilometer long, but only a few meters wide, and they're scattered along the desert floor, in valleys between the dunes.
在第二次雨季，沙丘的顶部被砍伐了，到处都是凹洞和山脊，这些凹洞正好在顶部吸收了雨水。
During the second rainy period, the dunes were kind of chopped up at the top, full of hollows and ridges, and these hollows would've captured the rain right there on the top.
他们的帆船搁浅在沙丘上了。
这个沙丘不结实，像他脚下的流沙一样。
撒哈拉沙漠是一个沙质沙漠，有很多沙丘。
仅在我的双筒望远镜扫过的范围内，就有大概60000只沙丘鹤。
There were maybe 60,000 sandhills just within the sweep of my binoculars.
岛上有没有任何植物的沙丘，但也有古老树木的森林，美丽的花朵和一百多个湖泊。
On the island, there are sand hills without any plants, but there are forests with old trees, beautiful flowers and over a hundred lakes, too.
风成沙丘普遍存在角砾前积、拖曳褶皱和倒转褶皱等同沉积变形构造。
The synsedimentary deformation structures are common in eolian dunes, such as brecciated foresets, drag folds and overturned folds.
在西北方向，沙丘则被城市所截断。
沿海平原主要包括沙丘和低田。
The coastal plain consists mainly of sand dunes and polders.
两头毛茸茸的骆驼背靠沙丘休憩。
我的LED照明灯点燃了白色的沙丘。
卡塔尔荒凉的东南部的野骆驼及沙丘。
Wild camels and sand dunes in empty southeast quarter of Qatar.
地面部分地区被沙丘覆盖。
他们全是沙丘顺风面条纹状暗色沉积物。
They are actually dark streaks of sediment on the downwind side of the dunes.
上面的波纹显示，沙丘高度超过100米。
The ripples it shows are sand dunes more than 100 metres high.
沙丘后面的什么东西上。
带状沙丘困住了雨水。
你去沙滩的时候，堆沙丘城堡了吗？
当我们到达沙丘时，所长还没有挖掘出什么来。
When we reached the dunes, the inspector hadn't found anything yet.
风吹得沙丘向东推进，越过哈尔湖和附近的山区。
Winds push the sand dunes eastward past Har Nuur and the nearby mountains.
风吹得沙丘向东推进，越过哈尔湖和附近的山区。
Winds push the sand dunes eastward past Har Nuur and the nearby mountains.
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