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单词 pa system
释义
Pa System
nnoun.artifactan electronic amplification system used as a communication system in public areas
Synset:P.A. P.A. system PA PA system public address system
Hypernyms:communication system
Inherited Hypernyms:public address systemcommunication systemsysteminstrumentalityartifactwholeobjectphysical entityentity
Part Meronyms:amplifier loudspeaker loudspeaker system speaker speaker system speaker unit tannoy
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更新时间:2024/9/22 1:01:50