| 单词 | loudspeaker |
| 释义 | loudspeaker /lowd"spee'keuhr/, n. 1. any of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like. 2. Audio. a. a device for transforming electric signals into audible sound, most frequently used to reproduce speech and music. b. speaker (def. 4). [1880-85; LOUD + SPEAKER] |
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