public address system 详细解释
public address system
扩音装置, 有线广播系统
英英释义
名词 public address system:
an electronic amplification system used as a communication system in public areas
同义词：P.A. system, PA system, P.A., PA
补充
public address systempublic address system1.播音装置热门单词推荐
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