alarm whistle

简明释义

警笛

英英释义

例句

1.The lifeguard blew the alarm whistle to signal a dangerous rip current.

救生员吹响了警报哨声以示危险的逆流。

2.The coach used an alarm whistle to get the players' attention during practice.

教练在训练中使用了警报哨声来吸引球员的注意。

3.The train's alarm whistle sounded loudly as it approached the station.

火车的警报哨声在接近车站时响亮地响起。

4.When the fire broke out, the alarm whistle alerted everyone in the building.

当火灾发生时，警报哨声提醒了大楼里的每个人。

5.During the drill, the alarm whistle indicated it was time to evacuate.

在演习中，警报哨声表示是时候撤离了。

作文

In our daily lives, we often encounter various sounds that signal different events or emergencies. One such sound that plays a crucial role in safety and alertness is the alarm whistle. The alarm whistle is a sharp, piercing sound designed to grab attention quickly, alerting people to potential dangers or important announcements. Understanding the significance of the alarm whistle can help us appreciate its role in maintaining safety in our environments. The use of the alarm whistle is prevalent in many settings, including schools, factories, and public transportation systems. For instance, in schools, a teacher might use an alarm whistle to gather students' attention during an emergency drill. This immediate response is essential for ensuring that everyone knows what to do in case of a real emergency. Similarly, in factories, the alarm whistle signals workers to evacuate the premises in the event of a fire or hazardous material spill. This quick communication can save lives and prevent injuries. Furthermore, the alarm whistle is not limited to human-made environments. In nature, animals also use high-pitched sounds similar to the alarm whistle to warn others of impending danger. For example, birds may emit a sharp call when they spot a predator, alerting their flock to take cover. This instinctive behavior highlights how the concept of an alarm whistle transcends human applications and is rooted in survival instincts across species. In addition to its practical uses, the alarm whistle serves a psychological purpose. The sudden and loud nature of the sound can induce a sense of urgency and prompt immediate action. This is particularly important in emergency situations where every second counts. The effectiveness of the alarm whistle lies in its ability to cut through background noise and capture attention, making it a vital tool for safety personnel. Moreover, technology has evolved the traditional alarm whistle into more sophisticated systems. Modern alarms may combine visual signals, such as flashing lights, with auditory cues, enhancing their effectiveness. For instance, in a fire alarm system, the combination of a loud alarm whistle and blinking lights ensures that even those who are hard of hearing are alerted to evacuate. This integration of sound and light exemplifies how the basic principle of the alarm whistle has been adapted to meet the needs of diverse populations. In conclusion, the alarm whistle is more than just a sound; it is a critical component of safety and communication in various contexts. Its ability to swiftly alert individuals to danger cannot be overstated. Whether in a classroom, a factory, or the wild, the alarm whistle serves as a reminder of the importance of being aware and prepared for emergencies. By understanding the role of the alarm whistle, we can better appreciate the systems in place that protect us and enhance our safety in everyday life.

在我们的日常生活中，我们经常会遇到各种声音，这些声音会发出不同的事件或紧急情况的信号。其中一种在安全和警觉中起着重要作用的声音就是警报哨声。警报哨声是一种尖锐刺耳的声音，旨在迅速引起注意，提醒人们潜在的危险或重要的通知。理解警报哨声的重要性可以帮助我们欣赏它在维护我们环境安全中的作用。警报哨声的使用在许多场合中都很普遍，包括学校、工厂和公共交通系统。例如，在学校，老师可能会使用警报哨声在紧急演习期间召集学生的注意。这种立即反应对于确保每个人都知道在真实紧急情况下该怎么做至关重要。同样，在工厂中，警报哨声会在发生火灾或危险物质泄漏时提醒工人撤离现场。这种快速沟通可以拯救生命，防止受伤。此外，警报哨声并不仅限于人造环境。在自然界中，动物也使用类似于警报哨声的高音调声音来警告其他人即将到来的危险。例如，当鸟类发现捕食者时，可能会发出尖锐的叫声，提醒它们的群体躲避。这种本能行为突显了警报哨声的概念超越了人类应用，并根植于各个物种的生存本能。除了实用用途外，警报哨声还具有心理目的。声音的突然和响亮性质可以引发紧迫感并促使立即行动。这在紧急情况下尤为重要，因为每一秒都至关重要。警报哨声的有效性在于它能够穿透背景噪音并吸引注意力，使其成为安全人员的重要工具。此外，技术已经将传统的警报哨声发展成更复杂的系统。现代警报可能将视觉信号（如闪烁的灯光）与听觉提示结合在一起，从而增强其有效性。例如，在火灾报警系统中，响亮的警报哨声和闪烁的灯光的结合确保即使是听力障碍的人也能被提醒撤离。这种声音与光线的结合体现了警报哨声的基本原则如何适应满足不同人群的需求。总之，警报哨声不仅仅是一种声音；它是各种背景下安全和沟通的关键组成部分。它迅速提醒个人危险的能力不容小觑。无论是在教室、工厂还是野外，警报哨声都提醒我们注意和准备应对紧急情况。通过理解警报哨声的作用，我们可以更好地欣赏保护我们的系统，以及在日常生活中增强我们的安全性。