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  1. Oxford Dictionary

    loudspeaker

    • IPA[ˌlaʊdˈspiːkə]

    英式

    • n.
      an apparatus that converts electrical impulses into sound, typically as part of a public address system

    • noun: loudspeaker, plural noun: loudspeakers

    • 釋義

    名詞

    • 1. an apparatus that converts electrical impulses into sound, typically as part of a public address system a muffled announcement is made over the loudspeaker a loudspeaker system
    • 更多解釋

    loudspeaker

    • IPA[ˈloudˌspēkər]

    美式

    • n.
      an apparatus that converts electrical impulses into sound, typically as part of a public ... a muffled announcement is made over the loudspeaker a loudspeaker system

    Oxford American Dictionary