movable bridge

简明释义

开合桥

英英释义

例句

1.Engineers designed the movable bridge to withstand strong winds and heavy loads.

工程师设计了这座可动桥，以承受强风和重载。

2.Tourists love to watch the movable bridge open and close as boats pass through.

游客们喜欢观看船只通过时可动桥的开启和关闭。

3.The city plans to build a new movable bridge to improve traffic flow during the busy season.

这座城市计划建造一座新的可动桥以改善繁忙季节的交通流量。

4.When the ship approached, the movable bridge raised to allow it to pass.

当船只靠近时，可动桥抬起以便让它通过。

5.The movable bridge is a vital connection between the two islands, especially for emergency services.

这座可动桥是连接两个岛屿的重要通道，尤其是对于紧急服务。

作文

Bridges are vital components of modern infrastructure, connecting different regions and facilitating transportation. Among the various types of bridges, the movable bridge (可动桥) stands out due to its unique ability to adapt to different needs. These bridges can be raised, lowered, or rotated to allow boats and ships to pass underneath, making them essential in areas where waterways intersect with roadways. The design and function of a movable bridge (可动桥) are fascinating and showcase human ingenuity in solving practical problems.One of the most common types of movable bridges (可动桥) is the drawbridge. This bridge typically consists of a span that can be lifted vertically while remaining balanced on a pivot. Drawbridges are often seen in urban areas where rivers and canals are prevalent. They not only serve as crucial transportation links but also as landmarks that enhance the aesthetic appeal of their surroundings. For instance, the famous Tower Bridge in London is a stunning example of a drawbridge that attracts tourists from around the world.Another type of movable bridge (可动桥) is the bascule bridge, which operates on a counterweight system. When the bridge needs to open, the two halves of the bridge lift upward, allowing vessels to pass through. Bascule bridges are particularly effective for smaller waterways where large ships may need access. An excellent example of this is the Chicago's Kinzie Street Railroad Bridge, which has been in operation since the 19th century and remains an important part of the city’s transportation network.The construction of a movable bridge (可动桥) requires careful planning and engineering. Engineers must consider various factors, including the weight of the bridge, the materials used, and the mechanical systems that will facilitate its movement. Additionally, safety is paramount; the bridge must be able to withstand the forces exerted by both vehicles and water traffic. Modern technology has significantly improved the reliability and efficiency of movable bridges (可动桥), incorporating advanced materials and automation systems that allow for seamless operation.In terms of maintenance, movable bridges (可动桥) require regular inspections to ensure that all mechanical components are functioning correctly. Rust, wear, and tear can affect the bridge's ability to move, which is why routine checks are essential. Local governments often allocate budgets specifically for the upkeep of these structures, recognizing their importance to the community.Moreover, movable bridges (可动桥) play a significant role in urban planning. As cities grow, the need for efficient transportation routes becomes increasingly critical. By incorporating movable bridges (可动桥) into the infrastructure, planners can maximize the use of available space, ensuring that both land and water transportation can coexist without hindrance.In conclusion, the movable bridge (可动桥) is an engineering marvel that embodies the spirit of innovation and adaptability. Its ability to serve multiple purposes—providing passage for both vehicles and vessels—makes it an invaluable asset to any region. As we continue to develop our urban landscapes, the importance of such bridges will only grow, reminding us of the intricate balance between nature and human-made structures. Understanding and appreciating the functionality of movable bridges (可动桥) allows us to recognize their significance in promoting connectivity and enhancing the quality of life in our communities.

桥梁是现代基础设施的重要组成部分，连接不同地区并促进交通。在各种类型的桥梁中，可动桥（movable bridge）因其独特的适应能力而脱颖而出。这些桥梁可以升起、降低或旋转，以允许船只和船只通过，因而在水道与道路交叉的地区至关重要。可动桥（movable bridge）的设计和功能令人着迷，展示了人类在解决实际问题方面的聪明才智。最常见的可动桥（movable bridge）类型之一是吊桥。这座桥通常由一个可以在支点上垂直升起的桥跨组成。吊桥通常出现在河流和运河盛行的城市地区。它们不仅作为重要的交通连接，还作为增强周围美学吸引力的地标。例如，伦敦著名的塔桥就是一座令人惊叹的吊桥，吸引着来自世界各地的游客。另一种可动桥（movable bridge）是翻转桥，它基于配重系统进行操作。当桥需要开启时，桥的两半向上抬起，允许船只通过。翻转桥对于小型水道特别有效，因为大型船只可能需要通行。芝加哥的金齐街铁路桥就是一个很好的例子，自19世纪以来一直在运行，并且仍然是该市交通网络的重要组成部分。可动桥（movable bridge）的建设需要仔细的规划和工程设计。工程师必须考虑多种因素，包括桥的重量、使用的材料以及将促进其运动的机械系统。此外，安全是首要任务；桥必须能够承受车辆和水上交通施加的力量。现代技术显著提高了可动桥（movable bridge）的可靠性和效率，采用先进的材料和自动化系统，使其操作无缝。在维护方面，可动桥（movable bridge）需要定期检查，以确保所有机械部件正常运转。生锈、磨损和撕裂会影响桥的移动能力，这就是为什么例行检查至关重要。地方政府通常专门拨款用于这些结构的维护，认识到它们对社区的重要性。此外，可动桥（movable bridge）在城市规划中发挥着重要作用。随着城市的发展，对高效交通路线的需求变得日益重要。通过将可动桥（movable bridge）纳入基础设施，规划人员可以最大限度地利用可用空间，确保陆路和水路交通能够共存而不受阻碍。总之，可动桥（movable bridge）是一项工程奇迹，体现了创新和适应的精神。它服务于多种目的——为车辆和船只提供通行，使其成为任何地区不可或缺的资产。随着我们继续发展城市景观，这些桥梁的重要性只会增加，让我们铭记自然与人造结构之间的微妙平衡。理解和欣赏可动桥（movable bridge）的功能使我们能够认识到它们在促进连接和提升我们社区生活质量方面的重要性。