amplifier
英 [ˈæmplɪfaɪə]
[NOUN]
amplifiers
1. [C 可数名词] 扩音器
An amplifier is an electronic device in a radio or stereo system that causes sounds or signals to get louder.
NOUN. 名词
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amplifiers
An amplifier is an electronic device in a radio or stereo system that causes sounds or signals to get louder.
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