retractile drawbridge

简明释义

拖曳桥

英英释义

例句

1.During the festival, the retractile drawbridge was raised to allow boats to pass through.

在节日期间，可伸缩吊桥被升起，以允许船只通过。

2.The engineers designed a retractile drawbridge that can be operated remotely for convenience.

工程师们设计了一座可以远程操作的可伸缩吊桥，以便于使用。

3.To access the island, we had to wait for the retractile drawbridge to lower.

要到达岛屿，我们必须等待可伸缩吊桥降下。

4.The city installed a new retractile drawbridge to improve traffic flow across the river.

城市安装了一座新的可伸缩吊桥，以改善河流两岸的交通流量。

5.The retractile drawbridge is an engineering marvel, allowing large ships to navigate the harbor.

这座可伸缩吊桥是一个工程奇迹，允许大型船只在港口航行。

作文

The concept of a retractile drawbridge has fascinated engineers and architects for centuries. A retractile drawbridge is a type of bridge that can be retracted or drawn back to allow ships or boats to pass through. This unique design not only serves a practical purpose but also adds an aesthetic appeal to the landscape where it is situated. In many cities, these bridges are landmarks, symbolizing the blend of functionality and beauty in engineering. Historically, drawbridges were used primarily for defense purposes. They could be raised to prevent enemies from crossing into a fortified area. However, as time progressed, the retractile drawbridge evolved into a more versatile structure. Today, they are commonly found in urban areas near rivers and canals, where they facilitate both road traffic and maritime navigation.One of the most remarkable features of a retractile drawbridge is its ability to adapt to different environmental conditions. For instance, during high tide or when large vessels need to pass, the bridge can be retracted quickly, ensuring minimal disruption to both road and water traffic. This adaptability is crucial in busy ports and waterfronts, where the flow of transportation is constant. The engineering behind such bridges involves sophisticated mechanisms that allow for smooth and efficient operation. Moreover, the design of a retractile drawbridge often incorporates elements that enhance its durability and safety. Materials used in construction must withstand harsh weather conditions, as well as the wear and tear from regular use. Engineers must also consider the weight capacity of the bridge, ensuring that it can support heavy vehicles while remaining stable during retraction. The aesthetic aspect of a retractile drawbridge cannot be overlooked. Many modern designs feature sleek lines and innovative materials that make them visually striking. Cities often take pride in their unique bridges, and they become tourist attractions in their own right. For example, the famous retractile drawbridge in Amsterdam is not only functional but also a beautiful piece of architecture that attracts visitors from around the world.In recent years, there has been a growing interest in sustainable engineering practices. This trend has influenced the design and construction of retractile drawbridges, with a focus on reducing environmental impact. Many new bridges are being built with eco-friendly materials and energy-efficient mechanisms, allowing them to operate with minimal energy consumption. This shift towards sustainability reflects a broader commitment to preserving natural resources while meeting the needs of urban development.In conclusion, the retractile drawbridge is more than just a functional structure; it represents the intersection of engineering, art, and environmental consciousness. As cities continue to grow and evolve, the importance of such bridges will only increase. They serve as vital links in our transportation networks, enabling the movement of people and goods while enhancing the beauty of our urban landscapes. Understanding the significance of a retractile drawbridge allows us to appreciate the ingenuity behind its design and the role it plays in our daily lives.

可收回的吊桥的概念在几个世纪以来一直吸引着工程师和建筑师。retractile drawbridge 是一种可以收回或拉回的桥，以允许船只或小艇通过。这种独特的设计不仅具有实用目的，而且为其所处的景观增添了美感。在许多城市，这些桥梁是地标，象征着工程中功能与美的融合。历史上，吊桥主要用于防御目的。它们可以被提升，以防止敌人进入一个设防区域。然而，随着时间的推移，retractile drawbridge 发展成为一种更为多功能的结构。如今，它们通常出现在河流和运河附近的城市地区，在那里它们促进了道路交通和海上导航。retractile drawbridge 最显著的特点之一是其适应不同环境条件的能力。例如，在高潮期间或当大型船只需要通过时，桥可以迅速收回，确保对道路和水路交通的最小干扰。这种适应性在繁忙的港口和水边地区至关重要，交通流动是持续的。这种桥梁背后的工程涉及复杂的机制，允许平稳和高效的操作。此外，retractile drawbridge 的设计通常包含增强其耐久性和安全性的元素。建设中使用的材料必须能够承受恶劣的天气条件，以及定期使用造成的磨损。工程师还必须考虑桥梁的承重能力，确保它能够支持重型车辆，同时在收回过程中保持稳定。retractile drawbridge 的美学方面同样不容忽视。许多现代设计具有流线型的线条和创新的材料，使其在视觉上引人注目。城市通常以其独特的桥梁为荣，并且这些桥梁本身成为旅游景点。例如，阿姆斯特丹著名的 retractile drawbridge 不仅功能齐全，而且是一件美丽的建筑作品，吸引着来自世界各地的游客。近年来，对可持续工程实践的兴趣日益增长。这一趋势影响了 retractile drawbridges 的设计和建造，重点是减少对环境的影响。许多新桥的建造采用环保材料和能源高效的机制，使其以最小的能耗运行。这种向可持续性的转变反映了对保护自然资源的更广泛承诺，同时满足城市发展的需求。总之，retractile drawbridge 不仅仅是一种功能结构；它代表了工程、艺术和环保意识的交汇点。随着城市的不断发展和演变，这类桥梁的重要性只会增加。它们作为我们交通网络中的重要连接，促进人和货物的流动，同时增强我们城市景观的美感。理解 retractile drawbridge 的重要性使我们能够欣赏其设计背后的独创性以及它在我们日常生活中所扮演的角色。