扩音英语怎么说
“扩音”对应的英文单词有：public address ，一共1个，具体意思及用法如下：
public address（车内）播音
与扩音相关的短语
扩音系统pa system;public-address system;[广播] public address system;sound amplifying system
扩音效应microphonic effect;effect microphonic
火警扩音fire alarm voice amplification
扩音装置public address;public-address system
预警扩音CUE MIKE
扩音器材amplification equipment
扩音设备Sound System;amplification system
扩音器Amplifier;loudspeaker;megaphone;[电子] microphone