amplifier 的英语意思
amplifieramplifier /ˈæmpləfaɪə $ -faɪər/ noun [countable] 
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a piece of electrical equipment that makes sound louder使声音增强的电气设备 SYN amp
查看全部语言翻译 a piece of electrical equipment that makes sound louder使声音增强的电气设备 SYN amp