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单词
loudspeaker
释义
loud·speak·er
AHD
[loudʹspē'kər]
D.J.
[ˈlaʊdˌspiːkə]
K.K.
[ˈlaʊdˌspikɚ]
n.
(名词)
A device that converts electric signals to audible sound.
扩音器:把电子信号转变为可听见的声音的一种装置
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更新时间:2026/9/22 11:10:55