A train horn is a loud sound device used on trains to alert people and vehicles of the train's presence. It is typically operated by the train's conductor or engineer and can be heard from a distance, making it an important safety feature. The horn is used in various situations, such as when approaching crossings, stations, or areas with low visibility, to warn pedestrians, drivers, and others nearby to stay clear of the tracks. Train horns vary in sound and intensity but are designed to be heard over long distances and through noise from the train itself.

“train horn”的英语定义和含义

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