river sand

简明释义

河砂

英英释义

例句

1.He collected river sand from the nearby river for his landscaping project.

他从附近的河流中收集了河沙用于他的园艺项目。

2.The construction company decided to use river sand for the new building foundation.

建筑公司决定在新大楼的基础中使用河沙。

3.The quality of river sand is crucial for making durable bricks.

制作耐用砖块时，河沙的质量至关重要。

4.Using river sand in concrete can improve its workability.

在混凝土中使用河沙可以提高其可加工性。

5.The local market sells river sand at a competitive price.

当地市场以竞争价格出售河沙。

作文

The use of natural resources is a critical aspect of construction and manufacturing industries. One such resource that has gained significant attention is river sand. 河砂 is the sand that is naturally found in riverbeds, and it plays an essential role in various construction activities. The demand for river sand has surged over the years, primarily due to its unique properties and advantages over other types of sand. In this essay, I will discuss the importance of river sand in construction, its environmental impact, and the need for sustainable practices in its extraction.Firstly, river sand is widely used in concrete production due to its fine texture and excellent binding properties. When mixed with cement and water, river sand creates a strong and durable concrete mix, making it ideal for building structures such as bridges, roads, and buildings. The smoothness of river sand helps to achieve a better finish, which is crucial in architectural designs where aesthetics matter. Moreover, the availability of river sand in many regions makes it a cost-effective option for builders and contractors.However, the increasing demand for river sand has led to over-extraction and illegal mining practices, which pose significant threats to the environment. The removal of river sand from riverbeds disrupts aquatic ecosystems, leading to habitat loss for various species. Additionally, excessive mining can cause soil erosion, alter river flow, and negatively impact local communities that rely on rivers for their livelihoods. Therefore, it is imperative to address these environmental concerns and implement sustainable practices in the extraction of river sand.To mitigate the adverse effects of river sand mining, several measures can be adopted. Firstly, regulatory frameworks should be established to monitor and control the extraction process. Governments can impose limits on the quantity of river sand that can be harvested and ensure that extraction occurs in designated areas only. Secondly, promoting the use of alternative materials, such as manufactured sand or recycled aggregates, can help reduce the reliance on river sand. These alternatives can provide similar properties without causing harm to the environment.In conclusion, while river sand plays a vital role in the construction industry due to its desirable properties, it is essential to recognize the environmental challenges associated with its extraction. By adopting sustainable practices and exploring alternative materials, we can ensure that we meet the demands of construction without compromising our natural resources. Balancing economic growth with environmental protection is crucial for the future, and responsible management of river sand is a step in the right direction.

自然资源的利用是建筑和制造业的一个关键方面。其中一种引起广泛关注的资源是河砂。河砂是自然存在于河床中的沙子，它在各种建筑活动中发挥着重要作用。近年来，河砂的需求激增，主要由于其独特的性质和相对于其他类型沙子的优势。在这篇文章中，我将讨论河砂在建筑中的重要性、其对环境的影响以及在其开采中需要可持续实践。首先，河砂因其细腻的质地和优良的粘合性能而广泛用于混凝土生产。当与水泥和水混合时，河砂可以形成强大且耐用的混凝土混合物，使其非常适合用于桥梁、道路和建筑等结构的建设。河砂的光滑度有助于实现更好的表面效果，这在建筑设计中至关重要，尤其是在美学方面。此外，河砂在许多地区的可获得性使其成为建筑商和承包商的成本效益选择。然而，对河砂的日益增长的需求导致了过度开采和非法采矿行为，这对环境造成了重大威胁。从河床中移除河砂会破坏水生生态系统，导致各种物种的栖息地丧失。此外，过度采矿还会导致土壤侵蚀、改变河流流动，并对依赖河流谋生的当地社区产生负面影响。因此，必须解决这些环境问题，并在河砂的开采中实施可持续做法。为减轻河砂采矿的不利影响，可以采取几项措施。首先，应建立监管框架，以监测和控制开采过程。政府可以对可开采的河砂数量施加限制，并确保只在指定区域进行开采。其次，推广使用替代材料，如人造砂或再生骨料，可以帮助减少对河砂的依赖。这些替代品可以提供类似的特性，而不会对环境造成伤害。总之，尽管河砂因其理想的特性在建筑行业中发挥着重要作用，但必须认识到与其开采相关的环境挑战。通过采用可持续的做法和探索替代材料，我们可以确保在不损害自然资源的情况下满足建筑需求。在经济增长与环境保护之间保持平衡对于未来至关重要，而负责任地管理河砂是朝着正确方向迈出的一步。