emergency alarm bell的意思|示意

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Elementary English

Emergency alarm bell is an important sound device in our daily life. It is usually used to indicate an emergency or alert people when something dangerous is happening.

For example, when a fire occurs in the building, an emergency alarm bell will be sounded to notify people in the building to evacuate. In factories or workshops, emergency alarm bell could also be used to alert workers when there are unexpected hazards. In addition, it is common to see emergency alarm bells ringing in public places such as hospitals, schools, and railway stations.

At certain times, emergency alarm bell may also be used to indicate that a certain activity is about to begin or end. It can also be used to call people to gather together or remind people to pay attention to a certain activity.

Overall, emergency alarm bell is an indispensable tool in warning people in a variety of occasions. It helps people to stay alert and respond to emergencies quickly and effectively.