Megaphone
['megəfəʊn] or ['mɛɡəfon]
解釋/意思:
(noun.) a cone-shaped acoustic device held to the mouth to intensify and direct the human voice.
克利夫顿錄入--From WordNet
解釋/意思:
(n.) 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.
柏妮丝手打
解釋/意思:
n. an appliance for making words audible—a form of speaking-trumpet.
校對:蒂米
例句/造句/用法:
- The use of a megaphone or speaking trumpet for conveying the sound of the voice to a distance is based on the same principle. 佚名. 神奇的知識之書.
- When a National Committee puts a megaphone to a man's mouth and tells him to yell, it is difficult for him to hear anything. 沃爾特·李普曼. 政治序論.
- These converging horns or funnels, with a large speaking-trumpet in between them, are mounted on a tripod, and the megaphone is complete. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- Conversation can be carried on with this megaphone at a distance of over two miles, as with a ship or the balloon. 弗蘭克·路易斯·戴爾. 愛迪生的生平和發明.
- The megaphone has been found very useful in speaking to large outdoor crowds. 威廉·亨利·杜利特. 世紀發明.
- The _Megaphone_ of Edison appeared, consisting of two large funnels having elastic conducting tubes from their apices to the aural orifice. 威廉·亨利·杜利特. 世紀發明.
安德里亚錄入