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单词 speakerphone
释义 speakerphone
 /spee"keuhr fohn'/,  n.  
 a telephone or telephone attachment equipped with both loudspeaker and microphone, thus permitting the instrument to be used without being held.
 [1955-60, Amer.; (LOUD)SPEAKER + (MICRO)PHONE or (TELE)PHONE]
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更新时间:2024/12/23 17:29:46