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amplifier

noun
🔊/ˈæmplɪfaɪə(r)/
🔊/ˈæmplɪfaɪər/
(also informal amp)
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  1. an electrical device or piece of equipment that makes sounds or radio signals louder放大器；扩音器；扬声器
    • a 25 watt amplifier一台 25 瓦扩音器
    Topics Engineeringc1, Musicc1
    Oxford Collocations DictionaryAmplifier is used after these nouns:
    • guitar
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