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loudspeaker 音標拼音: [l'ɑʊdsp ,ikɚ] n. 擴音器,喇叭 擴音器,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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