That implied elm trees may play an important role on the accretion and fixation of sand dunes.
这表明榆树对当地沙丘的形成和固定起主要作用。

Influence of the Wind Erosion Accumulation of Moving Dunes Upon Afforestation and Sand Fixation
流动沙丘的风蚀堆积特征对造林固沙的影响

The adjacent apartment block screened the high wall of the dunes.
附近的那座公寓大楼遮蔽了沙丘的那道高墙。

All these characters suggest aeolian dunes.
这是风成沙丘得特征。

Characteristics and Formation of Aeolian Dunes on Western Shore of the Qinghai Lake
青海湖西岸风成沙丘特征及成因

Comparison of leaf anatomical structure between Salix gordejevii growing under contrasting habitats of Otingdag Sandland and Salix microtachya var. Bordensis growing on the lowlands of dunes
浑善达克沙地不同生境下黄柳叶片解剖结构的比较

Transverse dunes run are a right angle to the constant wind direction.
横向沙丘与风的方向始终处于直角。

His anxiety carried him flying towards the dunes.
他焦心了，不由得抬步朝坨子里跑去。

Almost hidden by the dunes, the distant apartment blocks showed no signs of activity.
远处得一栋栋公寓楼几乎被沙丘所遮掩, 毫无动静。

He was discharged on April 16 th from his dunes.
他在4月16日被解职。

Jeeps negotiating sand dunes on jeep safari in Arabian Desert.
阿拉伯沙漠里的吉普车越野赛，正在翻越沙丘的吉普车。

So let's make architectural sand dunes and a beach cabana.
那么我们就做沙丘建筑和一个沙滩小屋

Dunes on the East Bank of the Yellow River to the South of Yumenkou, Shanxi
禹门口南黄河东岸沙丘初步研究

Soil seed bank density in fixed dune was greatest， the least in moving dunes. 3.
固定沙丘土壤种子库含量最大，流动沙丘的最小。

The boy galloped over the dunes barefoot.
那男孩光着脚在沙丘间飞跑。

We walked over the dunes to the beach.
我们越过沙丘到海滩去。

And when you go to the beach what do you get? You get sand dunes.
到了海滩有什么呢？沙丘

You drove over the dunes and onto the beach?
你把车开过沙丘 来这沙滩的?

Beach sand and sand dunes are largely quartz.
在火星上, 太空船还未找到这类的矿物堆积。

It would be something like what happens with sand dunes on a beach.
这就如同在海滩的沙丘上 发生的事情一样

The entrance level is situated in the dunes as a bunker and consists of a guesthouse, besides the entrance functions.
入口层位于沙丘作为一个沙坑, 包括宾馆, 除了门口的职能。

We've heard a kind of paradise beyond the desert's dunes.
在荒漠的沙丘前, 传说另一边就是乐园。

bicycling or motorcycling on sand dunes.
在沙滩上骑自行车或摩托车。

It adds roughness to the dunes surface, to the texture of the dunes surface, binding the grains.
它增加了沙丘表面纹理的粗糙度, 把沙粒粘结在一起。

Sand is blown up the gentle slopes and falls down the steep lee side of the dunes.
沙粒被吹至缓坡，沿沙丘陡峭的背风面滑落。