| 单词 | loudspeaker system |
| 释义 | loudspeaker system (once / 246236 pages) n WORD FAMILY loudspeaker system USAGE EXAMPLESAbout 45 minutes before the rally was to start, as the campaign was playing music over a loudspeaker system, the lights flickered but remained on. Washington Times(Nov 04, 2016) It was fitted with a loudspeaker system and Churchill would sit on the rear deck to address crowds as he was driven through various cities. BBC(Jun 29, 2016) Each loudspeaker system has broadcast for more than 10 hours a day, the official said. Washington Times(Aug 23, 2015) n electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance Syn|Hypo|Hyper loudspeaker, speaker, speaker system, speaker unit bullhorn, loud hailer, loud-hailer a portable loudspeaker with built-in microphone and amplifier intercom speaker, squawk box, squawkerthe loudspeaker on an intercom or public address system subwoofera loudspeaker that is designed to reproduce very low bass frequencies tannoya loudspeaker tweetera loudspeaker that reproduces higher audio frequency sounds woofera loudspeaker that reproduces lower audio frequency sounds electro-acoustic transducer a transducer that converts electrical to acoustic energy or vice versa |
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