public address system

1. An electronic voice-amplification apparatus, usually containing a set of two loudspeakers and a central control unit, used for singing, giving a speech, play-by-play commentary at events, or broadcasting in public areas like in airports or stations.

   Lautsprecher

   an electronic amplification system used as a communication system in public areas

1. The public school system was founded firmly upon the three R’s.

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2. Once a month they test the public address system.

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3. The public transportation system runs like clockwork.

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4. The public transport system runs like clockwork.

   ruСистема общественного транспорта работает как часы. — marafon

   deDas öffentliche Verkehrssystem läuft wie ein Uhrwerk. — Pfirsichbaeumchen

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5. Algeria has a relatively good public health system.

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regular