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单词 loudspeaker
释义

WordReference Random House Learner's Dictionary of American English © 2024
loud•speak•er /ˈlaʊdˌspikɚ/USA pronunciation   n. [countable]
  1. Sound Reproductiona device that changes amplified electronic signals into sound.

WordReference Random House Unabridged Dictionary of American English © 2024
loud•speak•er  (loud′spē′kər),USA pronunciation n. 
  1. Sound Reproductionany of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like.
  2. Sound Reproduction[Audio.]
    • Sound Reproductiona device for transforming electric signals into audible sound, most frequently used to reproduce speech and music.
    • Sound Reproductionspeaker (def. 4).
  • loud + speaker 1880–85

Collins Concise English Dictionary © HarperCollins Publishers::
loudspeaker /ˌlaʊdˈspiːkə/ n
  1. a device for converting audio-frequency signals into the equivalent sound waves by means of a vibrating conical diaphragm
    Sometimes shortened to: speaker
    Also called: reproducer
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更新时间：2025/2/22 16:50:14