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BNC: 9205 COCA: 15529
amplifier
æmplɪfaɪəʳ ˈæmpləˌfaɪər
Word forms: plural amplifiers
N-COUNT 扩音器;扬声器;喇叭 An amplifier is an electronic device in a radio or stereo system which causes sounds or signals to get louder. 扩音器;扬声器;喇叭
SYN amp [informal] , speaker, loudspeaker
Trends of amplifier
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BNC: 9205 COCA: 15529
BNC: 9205 COCA: 15529
BNC: 9205 COCA: 15529

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