electric bell

简明释义

电铃

英英释义

A device that produces a ringing sound when an electric current passes through it, often used as a signaling mechanism.

一种在电流通过时发出铃声的装置,常用于信号传递。

例句

1.During the meeting, the electric bell rang to indicate the end of the session.

会议期间,电铃响起,表示会议结束。

2.The school office installed an electric bell to signal the end of classes.

学校办公室安装了一个电铃来提醒下课时间。

3.The electric bell in the factory alerts workers when it's time for a break.

工厂里的电铃在休息时间响起,提醒工人们。

4.When guests arrive, they can ring the electric bell at the front door.

客人到达时,可以在前门按响电铃

5.He installed an electric bell in his workshop to notify him when someone enters.

他在工作室安装了一个电铃,以便有人进来时通知他。

作文

The invention of the electric bell (电铃) marked a significant milestone in the history of communication devices. Before its invention, people relied on various manual methods to signal others, such as using bells that required physical effort to ring or even shouting. The electric bell revolutionized this process by introducing a simple yet effective mechanism that utilized electricity to produce sound, making communication more efficient and accessible. The concept of the electric bell originated in the early 19th century, with several inventors contributing to its development. One of the most notable figures was Alexander Graham Bell, who is often credited with creating the first practical electric bell. His design involved an electromagnet that would pull a hammer against a bell, producing a ringing sound when an electric current passed through the circuit. This innovation not only enhanced the functionality of bells but also paved the way for future advancements in electrical engineering.In homes and offices, the electric bell became an essential feature. It provided a reliable way to alert individuals without the need for physical effort. For instance, doorbells equipped with electric bells allowed homeowners to announce visitors without having to rush to the door. Similarly, in workplaces, these bells were used to signal breaks, meetings, or emergencies, ensuring that everyone remained informed and coordinated.The electric bell also found its applications in various industries. In factories, it was used as an alarm system to indicate the start and end of shifts, or to warn workers of potential hazards. Schools adopted electric bells to signal class changes, helping maintain order and structure within the educational environment. The versatility of the electric bell made it an indispensable tool in daily life.As technology progressed, the design and functionality of the electric bell evolved. Modern versions often include features such as adjustable volume, multiple tones, and even wireless capabilities. This evolution reflects society's growing dependence on technology and the continuous quest for improvement in communication methods. Today, while we may have advanced to smart doorbells that connect to our smartphones, the fundamental principle of the electric bell remains the same: to provide a clear and immediate signal to those around us.In conclusion, the electric bell (电铃) is more than just a simple device; it represents a significant leap in how we communicate and interact within our environments. Its impact can be seen in countless aspects of our daily lives, from the moment we receive a visitor at our door to the structured routines in our workplaces and schools. Understanding the importance of the electric bell allows us to appreciate the innovations that have shaped our modern world and continue to influence our communication practices today.