motor siren

简明释义

电动警报器

英英释义

例句

1.The fire truck's motor siren (汽车警报器) echoed through the streets as it rushed to the scene.

消防车的汽车警报器 (汽车警报器) 在街道上回荡，急速赶往现场。

2.The police car approached with its motor siren (汽车警报器) blaring loudly.

警车开过来时，汽车警报器 (汽车警报器) 发出刺耳的声音。

3.Children were startled by the sudden sound of a motor siren (汽车警报器) in the neighborhood.

孩子们被邻里突然响起的汽车警报器 (汽车警报器) 声音吓到了。

4.When the motor siren (汽车警报器) went off, everyone knew an emergency was near.

当汽车警报器 (汽车警报器) 响起时，每个人都知道有紧急情况发生。

5.He quickly pulled over to let the ambulance with its motor siren (汽车警报器) pass.

他迅速靠边停车，让带着汽车警报器 (汽车警报器) 的救护车通过。

作文

In modern cities, the sound of a motor siren is often associated with urgency and emergency situations. The motor siren serves as a vital warning signal, alerting pedestrians and drivers alike to the presence of emergency vehicles such as ambulances, police cars, and fire trucks. These vehicles rely on the motor siren to navigate through traffic quickly, ensuring that they can reach their destinations without unnecessary delays. The history of the motor siren dates back to the early 20th century when it was first introduced in automobiles. Before that, horse-drawn carriages used bells or whistles to signal their approach. As motor vehicles became more prevalent, the need for a louder and more effective warning system became apparent. The motor siren was designed to be heard over the noise of the city, cutting through the sounds of honking horns, bustling crowds, and other urban distractions.When we hear the distinct wail of a motor siren, it often triggers an instinctive response. Drivers are trained to pull over to the side of the road, allowing emergency vehicles to pass unhindered. This quick reaction is crucial during emergencies, as every second counts in saving lives. The motor siren not only serves to clear a path but also raises awareness among the public about the seriousness of the situation at hand.Moreover, the design of the motor siren has evolved over the years. Originally, these devices produced a single tone, but advancements in technology have led to the development of multi-tone sirens that can emit varying pitches and rhythms. This innovation not only makes the motor siren more attention-grabbing but also allows it to convey different types of emergencies. For example, a rapid series of tones may indicate a high-priority situation, while a slower, steady sound might suggest a less urgent matter.However, the frequent use of motor sirens in urban environments has raised concerns among residents. The loud noises can cause disturbances, especially during the night. Many cities have implemented regulations to limit the use of sirens in non-emergency situations. This balance between the necessity of the motor siren and the peace of the community is an ongoing discussion among city planners and emergency services.In conclusion, the motor siren plays an essential role in our daily lives, particularly in urban settings. It acts as a critical communication tool that alerts us to emergencies and ensures the safe passage of those who are responding to crises. While it can be a source of noise pollution, its importance cannot be understated. Understanding the function and significance of the motor siren helps us appreciate the complexities of urban life and the systems in place to keep us safe. As cities continue to grow and evolve, so too will the technologies and strategies surrounding the use of motor sirens, ensuring that they remain effective in their vital role.

在现代城市中，motor siren的声音通常与紧急和危机情况相关联。motor siren作为一种重要的警告信号，提醒行人和司机注意救护车、警车和消防车等紧急车辆的存在。这些车辆依赖于motor siren快速穿过交通，以确保它们能够毫不拖延地到达目的地。motor siren的历史可以追溯到20世纪初，当时它首次出现在汽车中。在那之前，马车使用铃声或口哨来发出信号。随着机动车辆的普及，对更响亮和更有效的警告系统的需求变得明显。motor siren被设计成可以在城市的噪音中被听到，穿透鸣笛声、人群喧闹和其他城市干扰的声音。当我们听到motor siren的独特尖叫声时，它往往会触发一种本能反应。司机被训练在路边停车，让紧急车辆畅通无阻。这种快速反应在紧急情况下至关重要，因为每一秒都可能影响拯救生命的机会。motor siren不仅用于清理道路，还提高了公众对当前情况严重性的意识。此外，motor siren的设计也随着时间的推移而演变。最初，这些设备发出单一音调，但科技的进步导致多音调警报器的发展，能够发出不同的音高和节奏。这一创新不仅使motor siren更引人注目，而且还允许它传达不同类型的紧急情况。例如，一系列快速的音调可能表示高优先级的情况，而较慢、稳定的声音可能表明不那么紧急的事情。然而，在城市环境中频繁使用motor siren引发了居民的担忧。大声的噪音可能造成干扰，尤其是在夜间。许多城市已实施法规，以限制在非紧急情况下使用警报器。这种在motor siren的必要性和社区安宁之间的平衡，是城市规划者和紧急服务部门之间持续讨论的话题。总之，motor siren在我们的日常生活中扮演着至关重要的角色，特别是在城市环境中。它作为一种关键的沟通工具，提醒我们注意紧急情况，并确保那些应对危机的人安全通行。尽管它可能是噪音污染的来源，但其重要性不容小觑。理解motor siren的功能和意义有助于我们欣赏城市生活的复杂性以及保障我们安全的系统。随着城市的不断发展和演变，围绕motor siren的技术和策略也将不断更新，以确保它们在这一重要角色中保持有效。