loess
简明释义
n. 黄土
n. (Loess)(美、法)勒斯(人名)
英英释义
Loess is a fine, wind-blown sediment that is typically yellowish in color and composed mainly of silt-sized particles. | 黄土是一种细腻的风成沉积物,通常呈黄色,主要由粉砂颗粒组成。 |
单词用法
黄土高原 |
同义词
淤泥 | 洪水过后,河流在其岸边沉积了淤泥。 | ||
沉积物 | Sediment can accumulate in layers over time, forming fertile soil. | 沉积物可以随着时间的推移分层积累,形成肥沃的土壤。 |
反义词
基岩 | 建筑的基础建立在坚固的基岩上。 | ||
粘土 | 粘土土壤比黄土更能保留水分。 |
例句
1.The Loess Plateau program is among the most famous.
黄土高原项目在这些里面是最著名的。
2.There the soil is from weathered limestone soil or loess .
那里的土壤是经过风化作用的石灰石土壤或黄土。
3.In the loess area of west China, the geographical hazards especially loess landslides shows the tendency of growing.
在我国西部尤其是生态环境比较脆弱的黄土地区,地质灾害尤其是滑坡灾害有逐渐增多的趋势。
4.It is a glory epic inscribed in the loess ground.
这是一部铭写在黄土地上的壮丽史诗。
5.The benefits of the Second Loess project are not limited to the project area.
黄土高原项目二期的有利影响还不仅仅限于项目区。
6.Could there have been a really large dam that caused a deep lake in both Zharu and the main valleys and is older than the loess deposits?
这儿有可能有一个真正巨大的大坝,导致扎如和主峡谷之间的深湖,并且时间比黄土沉积物还久远吗?
7.Soil erosion in the loess area relates to low vegetation cover rate in this region.
黄土高原地区严重的水土流失与该区植被覆盖率低有密切的关系。
8.The windblown dust from the Loess Plateau, along with a layer of local coal dust, had settled on her shoes.
风带来了黄土高坡的尘土,掺杂着一层当地的煤粉,落在了她的鞋上。
9.The loess 黄土 region has a high potential for wind erosion.
该loess黄土地区具有较高的风蚀潜力。
10.Erosion of loess 黄土 can lead to significant landscape changes over time.
loess黄土的侵蚀会导致地形随时间发生显著变化。
11.Scientists study loess 黄土 to understand past climate conditions.
科学家研究loess黄土以了解过去的气候条件。
12.The loess 黄土 cliffs are a popular tourist attraction due to their unique formations.
这些loess黄土悬崖因其独特的地貌而成为热门旅游景点。
13.The region is known for its fertile loess 黄土 deposits that support agriculture.
该地区以其肥沃的loess黄土沉积物而闻名,支持农业发展。
作文
Loess is a term that refers to a type of sedimentary soil composed primarily of silt-sized particles. This fine, wind-blown dust accumulates over time and can create extensive deposits that are rich in nutrients. The significance of loess (黄土) lies not only in its geological formation but also in its impact on agriculture and the environment. In many regions, especially in China and parts of Europe, loess (黄土) has played a crucial role in shaping the landscape and supporting agricultural practices.The formation of loess (黄土) typically occurs in areas with strong winds that can transport fine particles from dry riverbeds or glacial outwash plains. As these particles are carried by the wind, they settle in layers, creating thick deposits over thousands of years. One of the most notable regions where loess (黄土) is found is the Loess Plateau in China, which is known for its unique topography and fertile soil.Agriculturally, loess (黄土) soils are highly valued because they retain moisture well and are often rich in organic matter. Farmers have relied on these soils for centuries to cultivate various crops, including wheat and millet. The ability of loess (黄土) to support agriculture is particularly important in regions where other soil types may not be as productive. However, the cultivation of crops in loess (黄土) areas must be managed carefully to prevent erosion, as the fine particles can be easily washed away or blown away by strong winds.Despite its advantages, the use of loess (黄土) for agriculture poses challenges. Unsustainable farming practices can lead to significant soil degradation, which threatens the very foundation of agricultural productivity. In recent years, there has been a growing awareness of the need to implement conservation techniques to protect loess (黄土) regions. Practices such as contour farming, reforestation, and the establishment of windbreaks can help mitigate the effects of erosion and maintain the health of these vital soils.In addition to its agricultural importance, loess (黄土) also has implications for environmental studies. The study of loess (黄土) deposits can provide valuable insights into past climate conditions, as the composition and layering of the sediments reflect changes in environmental factors over time. Researchers analyze these deposits to understand historical weather patterns and how they have influenced human activities and ecosystems.In conclusion, loess (黄土) is more than just a type of soil; it is a critical component of many ecosystems and agricultural systems around the world. Its unique properties make it both a blessing and a challenge for farmers and environmentalists alike. As we continue to explore sustainable practices for managing loess (黄土) regions, we must balance the need for agricultural productivity with the necessity of preserving these vital landscapes for future generations.