| 单词 | public-address system |
| 释义 | public-address system WordReference English-Chinese Dictionary © 2019:复合形式：英语中文public address system nnoun: Refers to person, place, thing, quality, etc. (loudspeaker)扩音系统 kuò yīn xì tǒng The lost child was found, thanks to the alert given over the publ |
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