public address system是什么意思 public address system怎么读
public address system的英文翻译是什么意思，词典释义与在线翻译
Noun:- an electronic amplification system used as a communication system in public areas
public address system的相关资料
public address system的用法和样例
- She said she would page him over the public-address system.
她说她要通过有线广播系统呼唤名字来寻找他。
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