yardang

简明释义

英[ˈjɑrdæŋ]美[ˈjɑrdæŋ]

n. 风蚀土脊；[地理] 白龙堆

英英释义

单词用法

同义词

反义词

例句

1.The yardang is of magnificent scenery, giant-scale and strange mirages and is treasures of geoheritage landscape resources.

它们色彩绚丽、规模宏大、形态奇特、场面壮观，构成新疆地质地貌类地质遗迹景观资源中的精品。

2.The yardang is of magnificent scenery, giant-scale and strange mirages and is treasures of geoheritage landscape resources.

它们色彩绚丽、规模宏大、形态奇特、场面壮观，构成新疆地质地貌类地质遗迹景观资源中的精品。

3.The unique geological formation known as a yardang 雅丹 can be found in many arid regions.

在许多干旱地区可以找到这种独特的地质构造，称为yardang 雅丹。

4.Scientists study yardangs 雅丹 to understand how wind erosion shapes the landscape.

科学家研究yardangs 雅丹以了解风蚀如何塑造地貌。

5.Tourists often visit places with yardang 雅丹 formations for their stunning views.

游客经常访问拥有yardang 雅丹构造的地方，欣赏其壮丽的景色。

6.The yardang 雅丹 landscape is a result of thousands of years of wind erosion.

yardang 雅丹景观是经过数千年的风蚀形成的结果。

7.In some deserts, yardangs 雅丹 can reach heights of over 30 meters.

在一些沙漠中，yardangs 雅丹的高度可以超过30米。

作文

In the vast and arid landscapes of Central Asia, one can find a fascinating geological phenomenon known as a yardang. A yardang is a streamlined landform that has been sculpted by the relentless forces of wind erosion. These unique formations often resemble elongated ridges or hills, with their surfaces shaped into smooth, aerodynamic contours. The study of yardangs provides valuable insights into the processes of erosion and sediment transport in desert environments. The formation of yardangs typically occurs in regions where there are soft sediments, such as clay or silt, that can be easily eroded by wind. Over time, as the wind continuously blows across the surface, it picks up fine particles and carries them away, leaving behind these intriguing structures. The alignment of yardangs often reflects the prevailing wind direction, making them not only a subject of scientific interest but also a striking visual feature in the landscape. Traveling through areas rich in yardangs, one cannot help but marvel at their beauty and complexity. These formations can vary greatly in size, some reaching heights of several meters, while others may stretch for kilometers across the desert floor. The colors of yardangs can also be quite diverse, influenced by the mineral content of the surrounding soil. Shades of red, brown, and even white can be seen, creating a stunning contrast against the clear blue sky. The ecological significance of yardangs should not be overlooked either. They provide unique habitats for various species of flora and fauna adapted to harsh desert conditions. Some plants have evolved to thrive in the shadow of these formations, utilizing the moisture that collects around them. Similarly, animals may seek shelter from the scorching sun within the crevices and shadows cast by yardangs. This interplay between geology and ecology highlights the importance of preserving such natural wonders. Furthermore, yardangs serve as important indicators of past climatic conditions. By studying the characteristics of these formations, scientists can infer information about historical wind patterns and sedimentation processes. This research contributes to our understanding of how deserts evolve over time and how they respond to changes in climate. In conclusion, yardangs are more than just interesting shapes in the desert; they are a testament to the power of natural forces and a reminder of the dynamic nature of our planet. Whether you are a geologist, an ecologist, or simply a lover of nature, the sight of yardangs is sure to leave a lasting impression. Their beauty, ecological importance, and role in understanding Earth's history make them a remarkable feature of our natural world. As we continue to explore and study these fascinating formations, let us appreciate the stories they tell about the environment and the intricate relationships between the elements that shape our planet. The next time you find yourself in a desert landscape, take a moment to observe the yardangs around you; they are truly a marvel of nature's artistry.

在中亚广阔而干燥的土地上，人们可以发现一种迷人的地质现象，称为yardang。yardang是由风蚀不断雕刻而成的流线型地貌。这些独特的地形通常呈现出细长的山脊或丘陵，其表面被塑造成光滑的空气动力学轮廓。对yardang的研究提供了对沙漠环境中侵蚀和沉积物运输过程的宝贵见解。 yardang的形成通常发生在软沉积物丰富的地区，例如粘土或淤泥，这些材料容易被风侵蚀。随着时间的推移，风不断吹过表面，带走细小颗粒，留下这些引人入胜的结构。yardang的排列往往反映了主导风向，使其不仅成为科学研究的对象，也成为景观中令人惊叹的视觉特征。 在充满yardang的地区旅行时，人们不禁会惊叹于它们的美丽和复杂性。这些地形的大小差异很大，有的高达几米，有的则可能延伸数公里。yardang的颜色也可能相当多样，受到周围土壤矿物成分的影响。红色、棕色甚至白色的阴影交错，形成与蔚蓝天空的惊人对比。 yardang的生态意义同样不可忽视。它们为适应恶劣沙漠条件的各种植物和动物提供了独特的栖息地。一些植物已经进化为在这些地形的阴影中茁壮成长，利用它们周围聚集的水分。同样，动物可能在yardang投下的阴影和缝隙中寻找躲避炽热阳光的庇护。这种地质与生态之间的相互作用突显了保护这些自然奇观的重要性。 此外，yardang还作为过去气候条件的重要指示器。通过研究这些地形的特征，科学家可以推断出关于历史风向和沉积过程的信息。这项研究有助于我们理解沙漠如何随时间演变，以及它们如何响应气候变化。 总之，yardang不仅仅是沙漠中的有趣形状；它们是自然力量的见证，也是我们星球动态本质的提醒。无论你是地质学家、生态学家还是单纯的自然爱好者，看到yardang都会给人留下深刻的印象。它们的美丽、生态重要性以及在理解地球历史中的角色，使它们成为我们自然世界中一个显著的特征。 随着我们继续探索和研究这些迷人的地形，让我们欣赏它们所讲述的关于环境的故事，以及塑造我们星球的元素之间复杂的关系。下次你走进沙漠景观时，请花一点时间观察你周围的yardang；它们确实是自然艺术的奇迹。