calcareous sand

简明释义

石灰质砂

英英释义

例句

1.The beach was covered in calcareous sand, which is known for its high calcium content.

这片海滩覆盖着石灰质沙，以其高钙含量而闻名。

2.Marine life thrives in areas with abundant calcareous sand due to its nutrient-rich properties.

由于其富含营养的特性，海洋生物在拥有丰富石灰质沙的地区繁荣生长。

3.During the construction of the coastal road, we had to account for the calcareous sand that could affect the stability of the foundation.

在沿海公路的建设过程中，我们必须考虑到可能影响基础稳定性的石灰质沙。

4.The calcareous sand found in this region is ideal for growing certain types of plants.

该地区发现的石灰质沙非常适合种植某些类型的植物。

5.The geologist studied the layers of calcareous sand to understand the historical climate changes.

地质学家研究了石灰质沙的层次，以了解历史气候变化。

作文

Calcareous sand is a term that refers to a specific type of sand which contains a significant amount of calcium carbonate. This unique composition makes it distinct from other types of sand that are primarily composed of silica. Understanding the properties and uses of calcareous sand (钙质沙) is essential for various fields, including construction, landscaping, and environmental science.One of the most notable characteristics of calcareous sand (钙质沙) is its origin. It is often found in coastal regions, where the breakdown of coral reefs and shellfish contributes to its formation. The presence of calcium carbonate not only gives this sand its distinctive white or light-colored appearance but also imparts certain physical properties that can be advantageous in various applications.In construction, calcareous sand (钙质沙) serves as a valuable material for creating concrete and mortar. Its high calcium content enhances the strength and durability of these mixtures, making them ideal for building structures that require longevity and resilience. Additionally, because of its lighter color, calcareous sand (钙质沙) can improve the aesthetic appeal of concrete surfaces, providing a brighter finish compared to traditional gray sands.Another important application of calcareous sand (钙质沙) is in landscaping and gardening. Gardeners often use this type of sand to improve soil drainage and aeration. When mixed with heavier soils, calcareous sand (钙质沙) helps to break up compacted earth, allowing roots to grow more freely and access nutrients more effectively. Furthermore, its alkaline nature can help raise the pH of acidic soils, promoting healthier plant growth in certain environments.The environmental implications of calcareous sand (钙质沙) are also noteworthy. As a natural resource, it plays a role in coastal ecosystems, providing habitat for various marine organisms. However, the extraction and use of calcareous sand (钙质沙) must be managed carefully to prevent ecological degradation. Over-extraction can lead to habitat loss and increased erosion, highlighting the need for sustainable practices in sourcing this valuable material.In conclusion, calcareous sand (钙质沙) is more than just a simple component of the earth’s surface; it is a resource with diverse applications in construction, gardening, and environmental conservation. By understanding its unique properties and the ways in which it can be utilized, we can appreciate the importance of calcareous sand (钙质沙) in our daily lives and the natural world. As we continue to explore sustainable practices, recognizing the value of materials like calcareous sand (钙质沙) will be crucial for both our development and the health of our ecosystems.