| 释义 | 
		loudhailer美 ['laʊd.heɪlər]  英 [.laʊd'heɪlə(r)]  - n.电子喇叭;扩音器
 - 网络喇叭筒;扬声器;扬声器音量控制
 
 n. megaphone,loudspeaker,amplifier,PA,mike 1.  | 电子喇叭;扩音器an electronic device, shaped like a horn, with a microphone at one end, that you speak into in order to make your voice louder so that it can be heard at a distance  |  
 n.  | 1. a portable device for amplifying the voice consisting of a loudspeaker with an integrated amplifier and microphone. 3. a piece of equipment that makes your voice louder when you talk into it, used especially for talking to crowds of people outside  |  
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