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单词 loudspeaker
释义

loudspeaker

/laʊdˈspiːkə /
noun
An apparatus that converts electrical impulses into sound, typically as part of a public address system: a muffled announcement is made over the loudspeaker [as modifier]: a loudspeaker system...
  • The concerts are free from artificial electric sound systems, microphones and loudspeakers.
  • The electricity reaches the loudspeaker, which converts it back into sound.
  • In this case, loudspeakers for the masking system were placed behind unducted ventilation grills.

Synonyms

public address system, PA system, speaker, speaker unit, speaker system, microphone;
loud hailer, megaphone
informal mike, mic

Rhymes

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更新时间:2025/2/3 8:33:48