英语词汇“public address system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	public address system
释义	public address system Word forms: public address systems countable noun A public address system is a set of electrical equipment which allows someone's voice, or music, to be heard throughout a large building or area. The abbreviation PA is also used. The news was announced on the public address system at the high school.
随便看	commission a survey -commissioned commissioner Commissioner commission meeting commission member commission of an offence commission of crime commission payment commission proposes commission recommendation commission recommends commission report commission research commission revenue commission rules commission staff commission work commit commit a blunder commit a breach commit a burglary commit a crime commit a deed commit a felony

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