electrically operated bell

简明释义

电动铃

英英释义

例句

1.During the fire drill, the electrically operated bell rang loudly to alert everyone.

在消防演习中，电动铃响亮地鸣响以提醒大家。

2.The church's electrically operated bell chimes every hour to mark the time.

教堂的电动铃每小时鸣响一次以标记时间。

3.The hotel uses an electrically operated bell at the front desk to call staff when needed.

酒店在前台使用一个电动铃来在需要时召唤员工。

4.The school installed an electrically operated bell to signal the start and end of classes.

学校安装了一个电动铃来标志课程的开始和结束。

5.In the factory, an electrically operated bell indicates the start of a shift.

在工厂中，电动铃指示班次的开始。

作文

In today's fast-paced world, technology has become an integral part of our daily lives. One of the simplest yet most effective inventions that illustrate this is the electrically operated bell. This device not only serves a practical purpose but also reflects the advancements in electrical engineering and design. An electrically operated bell is a type of bell that operates using an electric current, making it more efficient and reliable compared to traditional bells that rely on mechanical means. The history of bells dates back thousands of years, with early versions made from metal or clay that were struck by hand or with a mallet. However, as society evolved, so did the need for more sophisticated signaling devices. The invention of the electrically operated bell revolutionized communication, especially in public spaces like schools, offices, and homes. For instance, in schools, an electrically operated bell is often used to signal the beginning and end of classes, ensuring that students and teachers are well-informed about the schedule. Moreover, in residential settings, an electrically operated bell serves as a doorbell, allowing homeowners to know when someone is at the door without having to physically check. The convenience provided by this device cannot be overstated; it has become a standard feature in modern homes. With the advancement of smart technology, many electrically operated bells now come equipped with features such as video capabilities, allowing homeowners to see who is at their door before answering. The functionality of an electrically operated bell is relatively simple. When a button is pressed, it completes an electrical circuit that activates the bell mechanism. This mechanism typically consists of an electromagnet that moves a striker to hit the bell, producing sound. The simplicity of this design is what makes it both effective and easy to maintain. Unlike traditional bells, which may require regular winding or manual operation, the electrically operated bell offers a seamless experience. Furthermore, the versatility of the electrically operated bell extends beyond just signaling. In industrial settings, these bells can be used as alarms to indicate emergencies or important announcements. Their loud and clear sound can cut through background noise, ensuring that everyone is alerted promptly. This feature is crucial in environments where safety is a priority, such as factories or construction sites. In conclusion, the electrically operated bell is a remarkable example of how technology has improved our everyday lives. From its historical roots to its modern applications, this device has evolved to meet the needs of society effectively. Whether in a school, home, or workplace, the electrically operated bell plays a vital role in communication and safety. As we continue to innovate and develop new technologies, it will be interesting to see how such simple devices will further integrate into our lives, enhancing convenience and efficiency.

在当今快节奏的世界中，科技已成为我们日常生活中不可或缺的一部分。一个简单而有效的发明就是电动铃。该设备不仅具有实用功能，还反映了电气工程和设计的进步。电动铃是一种使用电流操作的铃声，与传统依赖机械手段的铃声相比，它更高效、更可靠。铃声的历史可以追溯到几千年前，早期版本由金属或粘土制成，通常由手工或锤子敲击。然而，随着社会的发展，对更复杂信号设备的需求也随之增加。电动铃的发明彻底改变了通信，尤其是在学校、办公室和家庭等公共场所。例如，在学校中，电动铃通常用于标志上课和下课的开始与结束，确保学生和教师能够及时了解课程安排。此外，在住宅环境中，电动铃作为门铃，允许房主在不必亲自检查的情况下知道有人在门口。这种设备提供的便利性不容小觑；它已成为现代家庭的标准配置。随着智能技术的发展，许多电动铃现在配备了视频功能，使房主可以在开门前看到是谁在门口。电动铃的功能相对简单。当按下按钮时，它完成一个电路，激活铃声机制。该机制通常由一个电磁铁组成，移动一个撞锤来敲击铃声，产生声音。这种设计的简单性使其既有效又易于维护。与传统铃声需要定期上弦或手动操作不同，电动铃提供了无缝的使用体验。此外，电动铃的多功能性超越了简单的信号。在工业环境中，这些铃声可用作警报，以指示紧急情况或重要公告。它们响亮清晰的声音可以穿透背景噪音，确保每个人都能及时被提醒。这一特性在工厂或建筑工地等安全优先的环境中至关重要。总之，电动铃是科技如何改善我们日常生活的一个显著例子。从其历史根源到现代应用，这种设备已经发展以有效满足社会的需求。无论是在学校、家庭还是工作场所，电动铃在沟通和安全中发挥着重要作用。随着我们继续创新和开发新技术，未来这样的简单设备将如何进一步融入我们的生活，提高便利性和效率，将会非常有趣。