electric whistle
简明释义
电动雾笛
英英释义
A device that produces a loud, shrill sound when an electric current passes through it, often used in signaling or as a warning. | 一种在电流通过时发出响亮刺耳声音的装置,通常用于发信号或作为警告。 |
例句
1.The electric whistle is much louder than a traditional whistle, making it ideal for outdoor events.
这个电哨比传统的哨子大得多,非常适合户外活动。
2.I bought a new electric whistle for my dog training classes.
我为我的狗训练课程买了一个新的电哨。
3.The lifeguard carried an electric whistle to ensure safety at the beach.
救生员携带了一种电哨以确保海滩的安全。
4.The referee used an electric whistle to signal the end of the match.
裁判使用了一个电哨来表示比赛结束。
5.During the training session, the coach blew the electric whistle to get everyone's attention.
在训练期间,教练吹响了电哨以引起大家的注意。
作文
In today's world, technology has transformed many aspects of our lives, making tasks easier and more efficient. One such innovation is the use of an electric whistle, which has gained popularity in various fields, including sports, safety, and training. The electric whistle is a modern alternative to traditional whistles, offering several advantages that make it a preferred choice for many individuals. Firstly, the electric whistle produces a consistent and powerful sound that can easily be heard over long distances. This feature is particularly beneficial in noisy environments, such as sports events or crowded areas, where it is essential to grab attention quickly. Unlike manual whistles that rely on human breath, the electric whistle ensures that the sound remains constant, regardless of the user's physical condition. This reliability is crucial for coaches and referees who need to communicate effectively with players and spectators alike.Secondly, the design of the electric whistle often includes various sound settings, allowing users to choose different tones or volumes based on their needs. For instance, a coach may opt for a high-pitched sound during practice sessions to signal drills, while a lower tone might be used during games to indicate a timeout. This versatility enhances communication and provides clarity in different situations, making the electric whistle an invaluable tool in sports and other activities.Moreover, the electric whistle is user-friendly and convenient. Many models are lightweight and portable, making them easy to carry around. They typically operate on batteries, which means there is no need for continuous blowing or the risk of losing one's voice after prolonged use. This ease of use is especially important for teachers, coaches, and safety personnel who may need to use the whistle frequently throughout the day.In addition to its practical applications, the electric whistle also plays a significant role in safety. In emergency situations, being able to produce a loud and clear sound can be vital for attracting attention and signaling for help. Whether it's a lifeguard at a beach, a security guard in a busy area, or a person in distress, the electric whistle serves as an effective tool for communication and alerting others. Its ability to cut through noise makes it an essential item for anyone involved in public safety or outdoor activities.Furthermore, the electric whistle can also be used for training animals. Dog trainers, for example, have found that using an electric whistle can enhance their training sessions by providing a distinct sound that dogs can learn to associate with commands. This method not only improves communication between the trainer and the dog but also allows for a hands-free approach to training, giving trainers more freedom to manage multiple dogs at once.In conclusion, the electric whistle is a remarkable advancement in whistle technology that offers numerous benefits across various fields. Its consistent sound, versatility, ease of use, and importance in safety make it a valuable tool for coaches, trainers, and safety personnel alike. As technology continues to evolve, the electric whistle stands out as an example of how innovation can enhance our daily lives and improve communication in critical situations.
在当今世界,科技已经改变了我们生活的许多方面,使任务变得更简单、更高效。其中一种创新是使用电哨,它在体育、安全和训练等多个领域越来越受欢迎。电哨是传统哨子的现代替代品,提供了几个优势,使其成为许多人首选的工具。首先,电哨发出的声音一致且响亮,可以轻松穿透长距离。这一特点在嘈杂的环境中尤其有利,例如体育赛事或拥挤的地方,在那里迅速引起注意是至关重要的。与依靠人类呼吸的手动哨子不同,电哨确保声音保持恒定,无论用户的身体状况如何。这种可靠性对教练和裁判至关重要,他们需要有效地与球员和观众进行沟通。其次,电哨的设计通常包括各种声音设置,允许用户根据需求选择不同的音调或音量。例如,教练可能会选择在训练期间使用高音调的声音来信号训练,而在比赛期间可能使用较低的音调来表示暂停。这种多功能性增强了沟通并提供了不同情况下的清晰度,使得电哨在体育和其他活动中成为不可或缺的工具。此外,电哨也非常用户友好且方便。许多型号轻便且便于携带,通常使用电池供电,这意味着无需持续吹气或在长时间使用后失去声音。这种易用性对教师、教练和安全人员尤为重要,因为他们可能需要在一天内频繁使用哨子。除了实际应用外,电哨在安全方面也发挥着重要作用。在紧急情况下,能够发出响亮而清晰的声音对于吸引注意力和请求帮助至关重要。无论是海滩上的救生员、繁忙地区的保安,还是处于困境中的人,电哨都作为有效的沟通和警告他人的工具。它穿透噪音的能力使其成为任何参与公共安全或户外活动的人的必备物品。此外,电哨还可以用于训练动物。例如,狗训练师发现使用电哨可以通过提供一个独特的声音来增强训练课程,让狗能够学习将其与命令联系起来。这种方法不仅改善了训练师与狗之间的沟通,还允许以免提的方式进行训练,使训练师能够更自由地管理多只狗。总之,电哨是一项了不起的哨子技术进步,在多个领域提供了众多好处。其一致的声音、多功能性、易用性以及在安全中的重要性使其成为教练、训练师和安全人员的宝贵工具。随着科技的不断发展,电哨作为创新如何提升我们日常生活和改善关键情况下沟通的例子脱颖而出。
相关单词