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loudspeaker    音标拼音: [l'ɑʊdsp,ikɚ]
n. 扩音器,喇叭

扩音器,喇叭

loudspeaker
n 1: electro-acoustic transducer that converts electrical
signals into sounds loud enough to be heard at a distance
[synonym: {loudspeaker}, {speaker}, {speaker unit},
{loudspeaker system}, {speaker system}]

loudspeaker \loud"speak*er\ n.
A device which converts electrical signals into sounds loud
enough to be heard at a distance, usually outdoors; it is
used to amplify or transmit over a distance speech from a
person, who is typically speaking into a microphone.
Sometimes it is used to play recorded speech or music.

Syn: speaker, speaker unit, loudspeaker system, speaker
system.
[WordNet 1.5]

30 Moby Thesaurus words for "loudspeaker":
acoustical network, capacitor speaker, coaxial speaker, cone,
crossover network, diaphragm, dynamic speaker, earphone,
electrodynamic speaker, electromagnetic speaker,
electrostatic speaker, excited-field speaker,
full-fidelity speaker, headphone, headset, high-fidelity speaker,
high-frequency speaker, horn, low-frequency speaker,
midrange speaker, monorange speaker, moving-coil speaker,
permanent magnet speaker, speaker, speaker system, speaker unit,
triaxial speaker, tweeter, voice coil, woofer


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