electric megaphone

简明释义

扩音器

英英释义

例句

1.During the rally, the speaker addressed the crowd with an electric megaphone to amplify their voice.

在集会上，演讲者使用电动扩音器对人群发声，以增强他们的声音。

2.The lifeguard carried an electric megaphone to quickly alert beachgoers about safety rules.

救生员携带了一个电动扩音器，以快速提醒海滩游客安全规则。

3.The teacher used an electric megaphone to ensure all students could hear the instructions clearly.

老师使用了一个电动扩音器，以确保所有学生都能清楚地听到指示。

4.The coach shouted orders through an electric megaphone during practice to motivate the team.

教练在训练期间通过电动扩音器喊出指令，以激励队伍。

5.At the concert, the organizer used an electric megaphone to communicate with the audience.

在音乐会上，组织者使用了一个电动扩音器与观众沟通。

作文

In today's fast-paced world, communication plays a crucial role in various aspects of our lives. One of the most effective tools for amplifying our voices in crowded environments is the electric megaphone. An electric megaphone (电动扩音器) is a device that enhances sound, allowing a speaker to reach a larger audience without straining their voice. This technology has revolutionized the way we communicate in public settings, such as rallies, sports events, and classrooms.The design of an electric megaphone typically includes a microphone, an amplifier, and a loudspeaker. The microphone picks up the speaker's voice, which is then amplified by the device before being projected through the loudspeaker. This ensures that even in noisy environments, the speaker's message can be heard clearly. The portability of an electric megaphone makes it especially popular among teachers, event organizers, and public speakers who need to address large groups of people.One of the significant advantages of using an electric megaphone is its ability to save the speaker's voice. In situations where one needs to speak for extended periods, such as during a protest or a sports game, relying on an electric megaphone helps prevent vocal strain and fatigue. Furthermore, many modern megaphones come equipped with additional features like sirens, Bluetooth connectivity, and volume control, enhancing their functionality and versatility.Moreover, the use of an electric megaphone can significantly improve audience engagement. When a speaker's voice is amplified, it creates a more inclusive atmosphere, encouraging participation from the audience. This is particularly important in educational settings, where teachers can use an electric megaphone to maintain students' attention and facilitate discussions, even in large classrooms.However, while the benefits of an electric megaphone are numerous, it is essential to use this tool responsibly. Over-amplification can lead to distortion and may cause discomfort or hearing issues for the audience. Therefore, understanding how to adjust the volume appropriately is vital for effective communication. Additionally, speakers should be mindful of their surroundings and avoid using an electric megaphone in quiet areas or during inappropriate times, as this could disrupt others.In conclusion, the electric megaphone (电动扩音器) is an invaluable tool for effective communication in various settings. Its ability to amplify sound not only helps speakers reach larger audiences but also preserves their vocal health. As we continue to navigate a world that demands clear and impactful communication, the electric megaphone will undoubtedly remain a staple in public speaking and outreach efforts. Embracing this technology allows us to share our messages more effectively and connect with others in meaningful ways.

在当今快节奏的世界中，沟通在我们生活的各个方面都扮演着至关重要的角色。增强我们在拥挤环境中发声的有效工具之一就是电动扩音器。电动扩音器是一种增强声音的设备，允许演讲者在不费力的情况下接触更大的观众。该技术彻底改变了我们在公共场合（如集会、体育活动和课堂）交流的方式。电动扩音器的设计通常包括一个麦克风、一个放大器和一个扬声器。麦克风拾取演讲者的声音，然后由设备放大，最后通过扬声器投射。这确保即使在嘈杂的环境中，演讲者的信息也能被清晰地听到。电动扩音器的便携性使其在教师、活动组织者和需要对大群人讲话的公众演讲者中尤其受欢迎。使用电动扩音器的一个显著优势是能够保护演讲者的声音。在需要长时间讲话的情况下，例如在抗议或体育比赛中，依靠电动扩音器可以帮助防止声音疲劳。此外，许多现代扩音器配备了额外的功能，如警报声、蓝牙连接和音量控制，增强了它们的功能性和多样性。此外，使用电动扩音器可以显著提高观众的参与度。当演讲者的声音被放大时，会营造出一种更具包容性的氛围，鼓励观众参与。这在教育环境中尤其重要，教师可以使用电动扩音器来保持学生的注意力并促进讨论，即使在大型教室中也是如此。然而，虽然使用电动扩音器的好处很多，但负责任地使用这一工具也至关重要。过度放大可能导致失真，并可能对观众造成不适或听力问题。因此，了解如何适当地调整音量对有效沟通至关重要。此外，演讲者应注意周围环境，避免在安静地区或不合适的时间使用电动扩音器，因为这可能会打扰他人。总之，电动扩音器（电动扩音器）是各种场合下有效沟通的宝贵工具。它增强声音的能力不仅帮助演讲者接触更大的观众，而且还保护他们的嗓音健康。随着我们继续在一个需要清晰而有影响力的沟通的世界中航行，电动扩音器无疑将在公共演讲和外展工作中保持一种主流。接受这项技术使我们能够更有效地分享我们的信息，与他人建立有意义的联系。