attributive. Designating equipment used to project speech or music to an audience, esp. in a large building or at an outdoor gathering (abbreviated…
| 单词 | θ65593 |
| 释义 | the world > physical sensation > hearing and noise > audibility > sound magnification or reproduction > [noun] > public address system (4) public address system1917 attributive. Designating equipment used to project speech or music to an audience, esp. in a large building or at an outdoor gathering (abbreviated… Tannoy1928 A proprietary name for electrical apparatus concerned with sound reproduction and amplification. Subsequently used generally, esp. to denote a… squawk box1945 A loudspeaker or public-address system. Subcategories:— vertical arrangement of equipment (1) |
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