tunnel portal

简明释义

隧道洞口

英英释义

例句

1.Traffic was backed up at the tunnel portal due to an accident inside the tunnel.

由于隧道内发生事故，交通在隧道口处堵塞。

2.The construction crew worked diligently to secure the tunnel portal before the rain started.

施工队努力确保在下雨前加固隧道口。

3.After a long journey through the mountains, we finally reached the tunnel portal.

经过漫长的山路旅行，我们终于到达了隧道口。

4.The train slowed down as it approached the tunnel portal.

火车在接近隧道口时减速。

5.A sign indicating the speed limit was posted at the tunnel portal.

在隧道口处张贴了一个指示限速的标志。

作文

The concept of a tunnel portal is essential in understanding the infrastructure that supports modern transportation systems. A tunnel portal refers to the entrance or exit point of a tunnel, where the underground passage meets the surface. These portals are not just functional; they also serve as critical junctions in urban planning and engineering. When designing a tunnel portal, engineers must consider various factors, including safety, accessibility, and environmental impact. In many cities around the world, tunnel portals play a significant role in alleviating traffic congestion. For instance, in densely populated metropolitan areas, the construction of tunnels allows for the efficient movement of vehicles and pedestrians without disrupting the flow of surface traffic. By providing a direct route through the city, tunnel portals help reduce travel times and improve air quality by minimizing the number of vehicles idling on the streets.Moreover, tunnel portals can also enhance the aesthetic appeal of an area. With thoughtful architectural designs, these entrances can become landmarks in their own right. Cities like New York and London have iconic tunnel portals that not only serve practical purposes but also contribute to the cultural identity of the city. The integration of art and landscaping around a tunnel portal can transform a utilitarian structure into a space that welcomes commuters and tourists alike.Safety is another critical aspect that must be addressed when constructing a tunnel portal. Engineers and urban planners work closely to ensure that these entrances are designed with adequate lighting, signage, and emergency exits. In the event of an emergency, a well-designed tunnel portal can facilitate quick evacuations and provide access for emergency services. This is especially important for tunnels that carry high volumes of traffic or are used for public transportation.Environmental considerations are also paramount. The construction of a tunnel portal can disrupt local ecosystems, so careful planning is required to mitigate potential negative impacts. This may include conducting environmental assessments and implementing measures to protect wildlife habitats during and after construction. Sustainable practices such as using eco-friendly materials and incorporating green spaces around the tunnel portal can further enhance its integration into the surrounding environment.In conclusion, the significance of a tunnel portal extends beyond its basic function as an entry or exit point. It embodies the intersection of engineering, urban design, and environmental stewardship. As cities continue to grow and evolve, the thoughtful design and construction of tunnel portals will remain crucial in shaping the future of urban transportation. Understanding the multifaceted role of tunnel portals will help us appreciate the complexities involved in creating efficient and sustainable urban environments.

“隧道门户”的概念在理解支持现代交通系统的基础设施时至关重要。“隧道门户”是指隧道的入口或出口点，地下通道与地面相交的地方。这些门户不仅仅是功能性的；它们在城市规划和工程中也起着关键的交汇作用。在设计“隧道门户”时，工程师必须考虑各种因素，包括安全性、可达性和环境影响。在世界许多城市中，“隧道门户”在缓解交通拥堵方面发挥了重要作用。例如，在人口稠密的大都市地区，隧道的建设使得车辆和行人能够高效地移动，而不会干扰地面交通的流动。通过提供穿越城市的直接路线，“隧道门户”有助于减少旅行时间并改善空气质量，因为它们减少了车辆在街道上怠速的数量。此外，“隧道门户”还可以增强一个地区的美学吸引力。通过深思熟虑的建筑设计，这些入口本身可以成为地标。纽约和伦敦等城市拥有标志性的“隧道门户”，不仅服务于实用目的，还为城市的文化身份做出了贡献。在“隧道门户”周围融入艺术和景观设计，可以将一个实用的结构转变为一个欢迎通勤者和游客的空间。安全性是建造“隧道门户”时必须解决的另一个关键方面。工程师和城市规划师紧密合作，以确保这些入口设计有足够的照明、标识和紧急出口。在紧急情况下，设计良好的“隧道门户”可以促进快速疏散，并为紧急服务提供通道。这对于承载大量交通或用于公共交通的隧道尤为重要。环境考虑同样至关重要。“隧道门户”的建设可能会破坏当地生态系统，因此需要仔细规划以减轻潜在的负面影响。这可能包括进行环境评估，并在建设期间和之后采取措施保护野生动物栖息地。采用可持续的做法，如使用环保材料和在“隧道门户”周围融入绿色空间，可以进一步增强其与周围环境的融合。总之，“隧道门户”的重要性超出了其作为进出口的基本功能。它体现了工程、城市设计和环境管理的交汇点。随着城市的不断发展和演变，周到的“隧道门户”的设计和建设将在塑造未来城市交通中继续发挥关键作用。理解“隧道门户”的多面角色将帮助我们欣赏创建高效和可持续城市环境所涉及的复杂性。