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megaphone 音标拼音: [m'ɛgəf,on]

XDict

n. 扩音器

PyDict

扩音器

WordNet (r) 3.0 (2006) (WordNet)

megaphone
n 1: a cone-shaped acoustic device held to the mouth to
intensify and direct the human voice

The Collaborative International Dictionary of English v.0.48 (gcide)

Megaphone \Meg"a*phone\, n. [Mega- Gr. fwnh` voice.]
A device to magnify sound, or direct it in a given direction
in a greater volume, as a very large funnel used as an ear
trumpet or as a speaking trumpet.
[1913 Webster]

English-French (Internet Dictionary Project)

me/gaphone[Noun]

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单词	字典	翻译
megaphone	查看　megaphone　在百度字典中的解释	百度英翻中〔查看〕
megaphone	查看　megaphone　在Google字典中的解释	Google英翻中〔查看〕
megaphone	查看　megaphone　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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Megaphone - Wikipedia
A megaphone increases the volume of sound by increasing the acoustic impedance seen by the vocal cords, matching the impedance of the vocal cords to the air, so that more sound power is radiated It also serves to direct the sound waves in the direction the horn is pointing
Amazon. com: Megaphones
PYLE Portable Megaphone Speaker PA Bullhorn - Built-in Siren, 50W Adjustable Volume Control in 1200 Yard Range, Ideal for Any Outdoor Sports, Cheerleading Fans Coaches, or for Safety Drills
Megaphones in Musical Instruments - Walmart. com
Shop for Megaphones in Musical Instruments Buy products such as Pyle Portable PA Megaphone Speaker with Built-in Rechargeable Battery, Black at Walmart and save
Best Megaphones 2025 - Audiophiles
A megaphone, often referred to as a bullhorn, is a portable, cone-shaped device that amplifies the user’s voice, enabling it to reach a larger audience over a significant distance It is an essential tool in various settings, including public speaking events, sports events, rallies, and emergency…
The Science and Utility of Megaphones - 5 Core
Discover the fascinating world of megaphones - a simple yet incredibly effective device that amplifies your message in public gatherings, events, and emergency situations Learn how megaphones work and their purpose How does a megaphone make sound louder?

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