日常英语（第九单元）

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.

A train station is a location where trains stop to pick up and drop off passengers or goods. It typically includes platforms where people wait for trains, along with facilities like ticket counters, waiting rooms, and sometimes shops or restaurants. Train stations can vary in size from small local stops to large, busy centers that serve long-distance or multiple train lines. They are essential for organizing and managing rail transport, providing passengers with a safe and convenient place to board, get off, or transfer to other trains.

A pedestrian crossing is a marked area on a road or street where people are allowed to cross safely. It is typically located at intersections or other high-traffic areas and is often indicated by signs, painted lines, or lights to make it clear to drivers where pedestrians may cross. Pedestrian crossings help ensure the safety of people walking across the street by giving them a designated place to cross, and in some cases, traffic signals may control when it is safe for pedestrians to move and when vehicles should stop.

A traffic sign is a sign placed on or near roads to provide information, warnings, or directions to drivers and pedestrians. These signs help control traffic flow, keep roads safe, and guide people in the right direction. Traffic signs can indicate speed limits, warn of hazards like curves or construction zones, or give directions to nearby locations. They come in various shapes, colors, and sizes, each with a specific meaning to ensure that everyone on the road follows the rules and stays safe.

A station is a location where public transportation vehicles, like buses, trains, or subways, stop to pick up or drop off passengers. It is usually equipped with facilities such as waiting areas, ticket counters, and signs indicating schedules and routes. Stations can vary in size from small, simple stops to large, complex buildings that serve as major transportation centers. They are important points in the transportation network, helping people transfer between different routes or modes of transport and making travel more convenient.

A church is a building used for Christian religious activities, such as worship, prayer, and community gatherings. It is typically designed to be a place where people come together to practice their faith, attend services, and celebrate religious holidays. Churches vary in size and architectural style, ranging from small chapels to large cathedrals. The interior often features seating for people, altars, and religious symbols like crosses or stained glass windows. Churches are also often important cultural and historical landmarks in communities.