signal light
简明释义
通信闪光灯
英英释义
A signal light is a device that emits light to convey information or instructions, often used in traffic control or communication systems. | 信号灯是一种发出光线以传达信息或指令的装置,通常用于交通控制或通信系统。 |
例句
1.The signal light on the dashboard alerts the driver of a malfunction.
仪表盘上的信号灯警告驾驶员发生故障。
2.Always check your signal light before changing lanes.
在变换车道之前,务必检查你的转向灯。
3.If the signal light is red, you must stop.
如果信号灯是红色,你必须停车。
4.The pedestrian used the signal light to cross the street safely.
行人使用信号灯安全过马路。
5.The car's signal light indicates when it is turning.
汽车的转向灯指示何时转弯。
作文
In our daily lives, we often encounter various types of signals that help us navigate through different environments. One of the most crucial signals is the signal light, which is essential in traffic management and safety. The signal light acts as a guide for drivers and pedestrians, indicating when to stop, go, or proceed with caution. Understanding the function and importance of the signal light can significantly enhance our safety on the roads.The signal light typically consists of three colored lights: red, yellow, and green. Each color has a specific meaning. The red light signals that vehicles must come to a complete stop, ensuring that pedestrians can cross safely. The yellow light serves as a warning that the signal is about to change, prompting drivers to slow down and prepare to stop. Finally, the green light indicates that it is safe to proceed. This simple yet effective system allows for smooth traffic flow and reduces the likelihood of accidents.Moreover, the signal light is not only found at intersections but also in various other settings. For instance, in railway systems, signal lights are used to control train movements, ensuring that trains operate safely and efficiently. Similarly, in maritime navigation, signal lights guide ships through dangerous waters, helping to prevent collisions and grounding.The technology behind signal lights has evolved significantly over the years. Modern signal lights are often equipped with LED technology, which provides better visibility and consumes less energy compared to traditional incandescent bulbs. Additionally, many cities are now implementing smart traffic systems that use sensors and cameras to optimize the timing of signal lights, adapting to real-time traffic conditions. This innovation not only improves traffic flow but also reduces congestion and lowers emissions.Furthermore, understanding the signal light system is essential for new drivers and pedestrians alike. It is crucial for individuals to learn the meanings of each color and how to respond appropriately. Driver education programs often emphasize the importance of obeying signal lights, as failure to do so can lead to serious accidents. Pedestrians must also be aware of signal lights to ensure their safety when crossing streets.In conclusion, the signal light is a vital component of our transportation infrastructure. It plays a significant role in maintaining order and safety on the roads, benefiting both drivers and pedestrians. As technology continues to advance, the effectiveness of signal lights will only improve, further enhancing our ability to navigate safely. Therefore, it is essential for everyone to understand and respect the signal light system to ensure a safer environment for all road users.
在我们的日常生活中,我们经常会遇到各种信号,这些信号帮助我们在不同的环境中导航。其中一个最重要的信号是信号灯,它在交通管理和安全中至关重要。信号灯作为司机和行人的指引,指示何时停车、何时前进或小心行驶。理解信号灯的功能和重要性,可以显著提高我们在道路上的安全性。信号灯通常由红、黄、绿三种颜色的灯组成。每种颜色都有特定的含义。红灯表示车辆必须完全停车,以确保行人可以安全过马路。黄灯作为警告,表示信号即将改变,促使司机减速并准备停车。最后,绿灯表示可以安全通行。这一简单而有效的系统允许交通流畅,减少事故发生的可能性。此外,信号灯不仅在交叉路口出现,还在其他各种场合中使用。例如,在铁路系统中,信号灯用于控制列车的运行,确保列车安全高效地运行。同样,在海上导航中,信号灯引导船只通过危险水域,帮助防止碰撞和搁浅。信号灯背后的技术多年来已经发生了显著的变化。现代信号灯通常采用LED技术,与传统的白炽灯泡相比,提供更好的可见性并消耗更少的能量。此外,许多城市正在实施智能交通系统,利用传感器和摄像头优化信号灯的时机,以适应实时交通状况。这项创新不仅改善了交通流量,还减少了拥堵和排放。此外,理解信号灯系统对新司机和行人来说至关重要。个人必须学习每种颜色的含义以及如何做出适当反应。驾驶员教育课程通常强调遵守信号灯的重要性,因为不这样做可能导致严重的事故。行人也必须了解信号灯以确保他们在过马路时的安全。总之,信号灯是我们交通基础设施的重要组成部分。它在维护道路秩序和安全方面发挥着重要作用,造福于司机和行人。随着技术的不断进步,信号灯的有效性只会提高,进一步增强我们安全导航的能力。因此,人人都应理解和尊重信号灯系统,以确保所有道路使用者的安全环境。
相关单词