powered whistle

简明释义

动力号笛

英英释义

例句

1.The lifeguard carried a powered whistle to ensure safety at the beach.

救生员携带了一个电动哨子以确保海滩的安全。

2.In case of an emergency, the hiker had a powered whistle to call for help.

在紧急情况下，徒步旅行者有一个电动哨子来呼救。

3.The dog trainer used a powered whistle to communicate commands to the dogs from a distance.

犬类训练师使用了一个电动哨子，以便从远处向狗传达指令。

4.During the game, the referee blew the powered whistle to signal a foul.

比赛中，裁判吹响了电动哨子以示犯规。

5.The coach used a powered whistle to get the players' attention during practice.

教练使用了一个电动哨子来吸引球员在训练中的注意。

作文

The concept of a powered whistle has gained popularity in various fields, especially in sports and safety applications. A powered whistle is essentially a whistle that is enhanced by an external power source, allowing it to produce a louder and more penetrating sound than traditional whistles. This innovation is particularly useful in environments where attention needs to be drawn quickly, such as at sporting events, concerts, or emergency situations. In sports, referees often rely on whistles to signal fouls or stoppages in play. However, in large stadiums filled with thousands of fans, a standard whistle may not carry enough sound to reach all spectators. This is where a powered whistle comes into play. By incorporating a small battery-operated mechanism, these whistles can emit sounds that are significantly louder, ensuring that all players and spectators are aware of the referee's decisions. This technology not only improves communication during the game but also enhances the overall experience for everyone involved.Moreover, the application of powered whistles extends beyond the realm of sports. In emergency situations, where quick communication can mean the difference between life and death, having a loud and clear signal is crucial. Lifeguards, for instance, can use powered whistles to alert beachgoers of potential dangers, such as strong currents or sharks in the water. The increased volume of these whistles ensures that warnings are heard over the sound of crashing waves and excited chatter, thereby improving safety measures at public beaches.In addition to their effectiveness, powered whistles are often designed with durability in mind. Many models are constructed from weather-resistant materials, making them suitable for outdoor use in various conditions. This durability means that they can be used in different environments, whether it’s a rainy day at a soccer match or a sunny afternoon at the beach. The ability to withstand harsh conditions makes powered whistles a reliable tool for both recreational and professional use.Furthermore, the technology behind powered whistles is continually evolving. Some modern versions come equipped with additional features such as LED lights or built-in alarms, making them even more versatile. For example, a powered whistle with an integrated flashlight can serve dual purposes; it can be used to signal for help while also providing illumination in dark settings. This multifunctionality is especially beneficial for outdoor enthusiasts, such as hikers or campers, who may find themselves in need of assistance in remote areas.In conclusion, the powered whistle represents a significant advancement in the way we communicate in various settings. From sports to safety, its ability to produce a powerful sound makes it an invaluable tool. As technology continues to progress, we can expect to see even more innovative designs and applications for powered whistles, further enhancing their utility and effectiveness. Whether you are a coach, a lifeguard, or an outdoor adventurer, investing in a powered whistle could prove to be a wise decision, ensuring that your voice is heard when it matters most.

‘动力哨’的概念在各个领域越来越受欢迎，尤其是在体育和安全应用中。‘动力哨’本质上是一种通过外部电源增强的哨子，使其能够发出比传统哨子更响亮、更穿透的声音。这项创新在需要迅速引起注意的环境中尤其有用，例如在体育赛事、音乐会或紧急情况下。在体育比赛中，裁判通常依靠哨子来发出犯规或暂停比赛的信号。然而，在数千名观众聚集的大型体育场中，标准哨子的声音可能不足以传达到所有人。这就是‘动力哨’的用武之地。通过结合小型电池驱动机制，这些哨子可以发出显著更大的声音，确保所有球员和观众都能听到裁判的决定。这项技术不仅改善了比赛期间的沟通，还增强了每个人的整体体验。此外，‘动力哨’的应用超出了体育领域。在紧急情况下，快速沟通可能意味着生死之间的差别，拥有响亮而清晰的信号至关重要。例如，救生员可以使用‘动力哨’来提醒海滩游客潜在的危险，如强潮或水中的鲨鱼。这些哨子的增大音量确保警告声能够穿透拍打海浪和兴奋聊天的声音，从而提高公共海滩的安全措施。除了有效性，‘动力哨’的设计通常考虑到耐用性。许多型号由防天气材料制成，适合在各种条件下的户外使用。这种耐用性意味着它们可以在不同的环境中使用，无论是在足球比赛的雨天，还是在海滩的阳光明媚的下午。能够抵御恶劣条件使得‘动力哨’成为休闲和专业使用的可靠工具。此外，‘动力哨’背后的技术也在不断发展。一些现代版本配备了额外的功能，如LED灯或内置警报，使其更加多功能。例如，带有集成手电筒的‘动力哨’可以发挥双重作用；它可以用于发出求助信号，同时在黑暗环境中提供照明。这种多功能性对于户外爱好者（如徒步旅行者或露营者）尤其有益，他们可能在偏远地区需要帮助。总之，‘动力哨’代表了我们在各种环境中沟通方式的重大进步。从体育到安全，它发出强大声音的能力使其成为一项宝贵的工具。随着技术的不断进步，我们可以期待看到更多创新的设计和应用，进一步增强‘动力哨’的实用性和有效性。无论您是教练、救生员还是户外探险者，投资一只‘动力哨’可能是一个明智的决定，确保在关键时刻您的声音被听到。