英语词汇P.A. system怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	P.A. system
释义	P.A. system 简明释义公共广播系统（public address system）英英释义 n. 1 an electronic amplification system used as a communication system in public areas 同义词：public address system??/??PA system??/??P.A.??/??PA 双语例句 1 When they published it, it was big news for the high school - it was even announced on the P.A. system. 杂志发表了它，这在我们高中可算是个大喜讯，连广播里都作了公布。 2 Before long an emergency announcement came over the P.A. system: "This hotel is constructed to be absolutely earthquake-proof." 过了不多久从P. A .系统中传出紧急广播：“该旅店是完全由防震材料建筑而成。”
随便看	selective rejection selective rejection command selective relay selective release selective release process selective removal selective removal method selective renal angiography selective renal arterigoraphy selective renal arteriogram selective renal arteriography selective renal tubular dysfunction selective repeat selective repeat procedure selective replacement selective reset selective resonance selective response selective retention selective revision selective right cardiography selective ringing selective roadheader selective rodenticide selective roentgenography

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