A bridge is a structure built to cross over a gap, such as a river, road, or valley, allowing people, vehicles, or animals to cross from one side to the other. Bridges are made from materials like wood, steel, concrete, or stone and come in various designs, such as arch, beam, or suspension. They can range in size from small footbridges to large, multi-lane highway bridges. Bridges are important for transportation, connecting different areas and making travel easier and safer. They are also often considered engineering landmarks.

What is a "bridge"?

bridge

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to cross

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A crossing is a designated place where people or vehicles can safely move from one side of a road or path to the other. It can refer to pedestrian crossings, where people walk across the street, or railway crossings, where a road intersects with railroad tracks, allowing vehicles and pedestrians to pass over. Crossings are often found at intersections, busy streets, or other points where travel between two areas is needed. They are typically marked with signs, lines, or signals to help guide and ensure the safety of those crossing.

What is a "crossing"?

crossing

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A roundabout is a circular intersection where traffic flows in one direction around a central island. Vehicles entering the roundabout yield to those already inside, allowing traffic to flow smoothly without the need for stop signs or traffic lights. Roundabouts are designed to improve safety and reduce congestion by lowering speeds and eliminating sharp turns. They are commonly used in places with high traffic volume or where multiple roads meet, as they help reduce the risk of accidents and keep traffic moving efficiently.

What is a "roundabout"?

roundabout

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square

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Traffic lights are signaling devices used to control the flow of traffic at intersections. They typically have three colors: red, yellow, and green. Red means stop, yellow signals caution or prepare to stop, and green indicates go. These lights help prevent accidents by ensuring that vehicles and pedestrians move safely and in an organized manner. Traffic lights are often placed at busy intersections or areas where controlled movement is needed to manage traffic and pedestrian flow.

What are "traffic lights"?

traffic lights

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to turn

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neighbor

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to rent

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view

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boring

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dangerous

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exciting

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quiet

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safe

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motorway

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petrol station

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road

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Traffic refers to the movement of vehicles and people along roads or streets. It involves cars, buses, bicycles, and pedestrians moving from one place to another. The flow of traffic can vary depending on the time of day, road conditions, and the number of vehicles or people. In busy areas, traffic can become slow, causing delays. Proper management of traffic helps ensure safety and smooth movement on roads.

What is "traffic"?

traffic

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historic

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pedestrian

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pavement

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A traffic jam is a situation where vehicles are unable to move freely because there are too many cars on the road. This often happens during busy times, such as rush hours, or when there is an accident, construction, or a blockage. In a traffic jam, cars move very slowly or come to a complete stop, causing delays for drivers and passengers. Traffic jams can be frustrating and time-consuming, and they often happen in cities or on highways with heavy traffic.

What is a "traffic jam"?

traffic jam

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polluted

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noisy

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城市特征与描述

Urban Features & Descriptions