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单词 amplifier
释义 amplifier/ˈæmplifaiə/n. 1 an electronic device for increasing the strength of electrical signals, used esp. in sound reproduction 扩音器;放大器 2 this combined with a loudspeaker and used to amplify musical instruments etc. 扬声器,喇叭
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更新时间:2025/8/24 13:21:39