electric whistle

简明释义

电笛

英英释义

A device that produces a high-pitched sound using electricity, often used for signaling or alerting.

一种使用电力产生高音调声音的装置,通常用于发信号或警报。

例句

1.During the training session, the coach blew the electric whistle to get everyone's attention.

在训练期间,教练吹响了电子哨子以引起大家的注意。

2.An electric whistle is often preferred over a traditional whistle for its louder sound.

由于声音更大,电子哨子通常比传统哨子更受欢迎。

3.I bought an electric whistle for my dog training sessions.

我为我的狗训练课程买了一个电子哨子

4.The referee used an electric whistle to signal the end of the game.

裁判使用了一个电子哨子来结束比赛。

5.The lifeguard carried an electric whistle to ensure safety at the pool.

救生员携带了一个电子哨子以确保游泳池的安全。

作文

In the world of modern technology, innovations often lead to the development of new tools that enhance our daily lives. One such invention is the electric whistle, a device that has transformed the way we communicate over distances, particularly in sports and emergency situations. The electric whistle is not just a simple tool; it represents a significant advancement in sound signaling technology.The traditional whistle has been used for centuries by coaches, referees, and emergency personnel to grab attention and convey messages. However, the limitations of manual whistles are evident, especially in noisy environments where their sound may be drowned out. This is where the electric whistle comes into play. By utilizing electrical power, this device produces a much louder and more consistent sound compared to its manual counterpart.One of the most notable features of the electric whistle is its ability to emit a sound that can carry over long distances. This makes it particularly useful in sporting events, where multiple games may be happening simultaneously. Coaches can easily signal their players without fear of being unheard. Moreover, the electric whistle can be equipped with different sound frequencies, allowing users to choose the most effective tone for their needs.Another significant advantage of the electric whistle is its ease of use. Unlike traditional whistles that require physical effort to blow, the electric whistle can be activated with the press of a button. This is especially beneficial for individuals who may have difficulty using their lungs, such as those with respiratory issues or elderly referees. The convenience of a button-activated sound makes it accessible to a wider range of users.In addition to sports, the electric whistle has found applications in various emergency scenarios. First responders often use these devices to signal for help or to alert others to a dangerous situation. The loud and clear sound produced by the electric whistle can cut through the chaos of an emergency, ensuring that vital messages are heard. This capability can be the difference between life and death in critical situations.Furthermore, the electric whistle can be designed with additional features such as built-in lights or alarms, making it even more versatile. For instance, when used in low-light conditions, the flashing light can help attract attention, while the sound alerts nearby individuals to the presence of someone in need. This multifunctionality enhances the effectiveness of the electric whistle in various contexts.Despite its many advantages, some critics argue that the electric whistle may detract from the traditional practices in sports officiating. They believe that the charm and simplicity of blowing a whistle should not be replaced by technology. However, proponents argue that the electric whistle complements traditional methods rather than replacing them. It provides an option for those who prefer a more modern approach while still honoring the heritage of sports officiating.In conclusion, the electric whistle is a remarkable innovation that has enhanced communication in sports and emergency situations alike. Its loud sound, ease of use, and versatility make it a valuable tool for coaches, referees, and first responders. As technology continues to evolve, the electric whistle stands as a testament to the ways in which we can improve our communication methods and ensure that important messages are conveyed effectively. Whether on the field or in a crisis, the electric whistle plays a crucial role in helping us connect and respond to one another.

在现代科技的世界中,创新往往会导致新工具的开发,从而增强我们的日常生活。其中一个这样的发明就是电哨,这一设备改变了我们在距离较远时的沟通方式,尤其是在体育和紧急情况下。电哨不仅仅是一个简单的工具;它代表了声音信号技术的重大进步。传统的哨子已经被教练、裁判和应急人员使用了几个世纪,以引起注意并传达信息。然而,手动哨子的局限性在嘈杂的环境中显而易见,其声音可能会被淹没。这就是电哨发挥作用的地方。通过利用电力,这种设备产生的声音比其手动对应物要大得多且更为一致。电哨最显著的特点之一是它能够发出可以传播很远的声音。这使得它在体育赛事中特别有用,因为多场比赛可能同时进行。教练可以轻松地向他们的球员发出信号,而不必担心被听不到。此外,电哨可以配备不同的声音频率,允许用户选择最有效的音调以满足他们的需求。电哨的另一个重大优势是其易于使用。与需要用力吹气的传统哨子不同,电哨只需按下一个按钮即可激活。这对于那些可能在使用肺部方面有困难的人,尤其是呼吸系统有问题的人或年长的裁判来说,特别有益。按键激活的声音的便利性使得更广泛的用户能够使用。除了体育,电哨在各种紧急场景中也得到了应用。急救人员经常使用这些设备来发出求助信号或警告他人危险情况。电哨发出的响亮清晰的声音可以穿透紧急情况的混乱,确保重要信息被听到。这种能力在关键情况下可能是生死攸关的。此外,电哨可以设计成具有额外功能,例如内置灯光或警报,使其更具多功能性。例如,在低光条件下使用时,闪烁的灯光可以帮助吸引注意,而声音则提醒附近的人有需要帮助的人。这种多功能性增强了电哨在各种环境中的有效性。尽管有许多优点,但一些批评者认为,电哨可能会削弱体育裁判中的传统做法。他们认为,吹哨子的魅力和简单性不应被技术所取代。然而,支持者认为,电哨并不是取代传统方法,而是对其的补充。它为那些更喜欢现代方法的人提供了一个选择,同时仍然尊重体育裁判的传统。总之,电哨是一项了不起的创新,它增强了体育和紧急情况下的沟通。其响亮的声音、易用性和多功能性使其成为教练、裁判和急救人员的宝贵工具。随着科技的不断发展,电哨作为我们改善沟通方式、确保重要信息有效传达的方式的证明而屹立不倒。无论是在赛场上还是在危机中,电哨在帮助我们彼此联系和响应中发挥着至关重要的作用。

相关单词

whistle

whistle详解:怎么读、什么意思、用法