字首 S
單字 speaker
音標與例句
    音標 [ ˈspikɚ ]
    A ground is sent to the loud speaker units which set the direct muting function into service.
    揚聲器會接地而直接變靜音。
    Separate power amplifiers amplify these signals for driving the loudspeakers.
    各別的功率放大器會放大信號來驅動揚聲器。
字義 n.[C]喇叭、揚聲器、擴音機、揚聲器
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