public-address system
读音
汉语翻译
扩音系统, 有线广播系统【电】 播讲系统
英语解释：
名词 public-address system:
- an electronic amplification system used as a communication system in public areas同义词：public address system, P.A. system, PA system, P.A., PA
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public-address system的翻译
