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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:2026/5/6 0:45:44