electric siren

简明释义

电笛

英英释义

例句

1.The school installed an electric siren to alert students in case of severe weather.

学校安装了一个电动警报器以便在恶劣天气情况下提醒学生。

2.During the emergency drill, the electric siren was used to simulate a real evacuation.

在应急演习中，使用了电动警报器来模拟真实的疏散。

3.The fire truck's electric siren could be heard from blocks away as it rushed to the scene.

消防车的电动警报器从几个街区外都能听到，因为它急速赶往现场。

4.The police car approached with its electric siren, alerting everyone to clear the road.

警车靠近时发出它的电动警报器，提醒大家让路。

5.As the storm approached, the town activated its electric siren to warn residents.

当暴风雨逼近时，镇上启动了它的电动警报器以警告居民。

作文

In modern society, the sound of an electric siren (电警报器) is often associated with urgency and alarm. Whether it’s the blaring noise of an ambulance rushing to save a life or the piercing wail of a police car chasing down a suspect, electric sirens (电警报器) play a crucial role in public safety. These devices are designed to grab our attention and alert us to potential dangers or emergencies. The origins of the electric siren (电警报器) can be traced back to the late 19th century when they were first invented for use in fire alarms and other emergency systems. Over the years, technology has advanced significantly, and today’s electric sirens (电警报器) are more sophisticated than ever. They can produce a wide range of sounds, from loud wails to high-pitched tones, all designed to penetrate through the noise of city life and ensure that people take notice.One of the most important functions of an electric siren (电警报器) is its ability to communicate critical information quickly. For instance, the sound of an ambulance’s electric siren (电警报器) signals drivers to pull over and make way for the emergency vehicle. This simple yet effective auditory cue can mean the difference between life and death in urgent situations. Similarly, police vehicles utilize electric sirens (电警报器) to alert citizens of their presence during high-speed chases or when responding to emergencies.Moreover, electric sirens (电警报器) are not limited to just emergency services. Many municipalities have adopted them for disaster warning systems. For example, in areas prone to natural disasters such as tornadoes or hurricanes, an electric siren (电警报器) may be used to warn residents of impending danger. The sound serves as a call to action, prompting individuals to seek shelter or evacuate the area if necessary.Despite their effectiveness, there are also challenges associated with the use of electric sirens (电警报器). In densely populated urban areas, the constant noise pollution can lead to desensitization among residents. People may become accustomed to the sounds of electric sirens (电警报器) and may not respond appropriately in emergencies. This phenomenon highlights the importance of public education about the significance of these sounds and the appropriate actions to take when they are heard.In conclusion, the electric siren (电警报器) is an essential tool for ensuring public safety. Its ability to convey urgent messages quickly and effectively makes it a vital component of emergency response systems. As technology continues to evolve, we can expect to see further advancements in electric siren (电警报器) technology, making them even more effective in alerting the public to danger. However, it remains crucial for communities to understand the importance of these sounds, ensuring that they can react appropriately when they hear an electric siren (电警报器) in their vicinity.

在现代社会，电警报器的声音通常与紧急和警报相关联。无论是救护车急速赶往救助生命时刺耳的鸣笛声，还是警车追捕嫌疑犯时尖锐的警报声，电警报器在公共安全中发挥着至关重要的作用。这些设备旨在引起我们的注意，并提醒我们潜在的危险或紧急情况。电警报器的起源可以追溯到19世纪末，当时它们首次被用于火灾警报和其他紧急系统。随着时间的推移，技术有了显著进步，今天的电警报器比以往任何时候都更加复杂。它们可以产生各种声音，从响亮的尖叫声到高音调，所有这些声音都旨在穿透城市生活的噪音，确保人们注意到。电警报器最重要的功能之一是其快速传达关键信息的能力。例如，救护车的鸣笛声会提醒司机靠边停车，为紧急车辆让路。这种简单而有效的听觉提示在紧急情况下可能意味着生与死的区别。同样，警车利用电警报器在高速追逐或应对紧急情况时向市民发出警告。此外，电警报器并不仅限于紧急服务。许多市政当局已将其用于灾难警报系统。例如，在易受自然灾害影响的地区，如龙卷风或飓风，电警报器可用于警告居民即将来临的危险。该声音作为行动的号召，促使个人寻求庇护或在必要时撤离该地区。尽管电警报器非常有效，但使用它们也面临挑战。在人口稠密的城市地区，持续的噪音污染可能导致居民的麻木感。人们可能会习惯于电警报器的声音，并可能在紧急情况下作出不当反应。这一现象突显了公众教育的重要性，让人们了解这些声音的意义以及听到它们时应采取的适当行动。总之，电警报器是确保公共安全的重要工具。它快速有效地传达紧急信息的能力使其成为紧急响应系统的重要组成部分。随着技术的不断发展，我们可以期待看到电警报器技术的进一步进步，使其在警告公众危险方面变得更加有效。然而，社区理解这些声音的重要性仍然至关重要，确保他们在听到附近的电警报器时能够做出适当反应。