loudspeaker / ˈlaʊdˌspi kər /

💦中学词汇扩音器扩音机扬声器喇叭

loudspeaker 的定义

n. 名词 noun
  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 device for transforming electric signals into audible sound, most frequently used to reproduce speech and music.speaker.

loudspeaker 近义词

n. 名词 noun

speaker

更多loudspeaker例句

  1. With two hours to go, there is no action on the field, though some music began to play on the loudspeaker after hours of silence.
  2. JBL started manufacturing loudspeakers in 1946, so by the time the company decided to get into portable Bluetooth speakers it had plenty of engineering knowledge to draw on.
  3. Collar’s minimalist sculptures emulate features of such structures, but also the loudspeakers found in contemporary churches and parts of the body, including spurts of blood.
  4. As Captain Pullis prepared to take off for San Francisco, she came on the plane’s loudspeaker, introducing herself and telling the passengers that their flight would be an hour and 33 minutes and they’d be cruising at 33,000 feet.
  5. Across India, educators have attempted to reach out to students in all kinds of unusual and creative ways, including using radio programs and loudspeaker tutorials to teach children without Internet access.
  6. “We are Moroccans,” went out the cry over a portable loudspeaker.
  7. “08:46 a.m. Flight 11 impacts tower one” comes over the loudspeaker.
  8. On the recording, Tuff also announces to students over the loudspeaker that they should stay in their classrooms.
  9. A few floors up, on Deck 9, Rian Tipton and her friends were trying to sleep through the loudspeaker announcements.
  10. But for a full day, there was nothing but apologetic reassurances over the loudspeaker.
  11. The loudspeaker voice was coming to the end of the prisoner list.
  12. There was a clicking sound and the loudspeaker died with a sputter of static.
  13. There was a voice blaring over the loudspeaker, shouting at us to stop talking, to walk, but we ignored it.
  14. The orchestra swayed into a final soft chord, and immediately a voice spoke from a loudspeaker in the ceiling.
  15. Now a car with a loudspeaker on top rolled into view—a completely armored car.