loudspeaker

英 [ˌlaʊdˈspiːkə(r)]

美 [ˌlaʊdˈspiːkər]

n.  扬声器; 扩音器; 喇叭; (收音机或乐器的)扬声器

复数：loudspeakers　现在分词：loudspeakering　过去式：loudspeakered　

高考CET4CET6考研TEM8电力

Collins.1 / BNC.14516 / COCA.12875

牛津词典

noun

• 扬声器；扩音器；喇叭
  a piece of equipment that changes electrical signals into sound, used in public places for announcing things, playing music, etc.
  1. Their names were called over the loudspeaker .
     喇叭里叫着他们的名字。
• （收音机或乐器的）扬声器，喇叭
  the part of a radio or piece of musical equipment that the sound comes out of

柯林斯词典

• 扩音器；扬声器；喇叭
  Aloudspeakeris a piece of equipment, for example part of a radio or hi-fi system, through which sound comes out.

英英释义

noun

• electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
  Synonym:speakerspeaker unitloudspeaker systemspeaker system

双语例句

• His words were relayed into the crowded square by loudspeaker.
  他的话通过扩音器传到了拥挤的广场上。
• Later, we bought a small loudspeaker at home during the popularization of the wire broadcasting.
  后来，普及有线广播，家里也买了个小喇叭。
• The resonance of a loudspeaker unit depends on the total resistance in the circuit.
  喇叭单元的共鸣决定于电路中的总电阻。
• He helped change a new loudspeaker.
  他帮我换了一台新的喇叭。
• What's the girl saying over the loudspeaker?
  喇叭里那女在说什么？
• When an earphone is plugged in, no sound is heard from the loudspeaker.
  插入耳机，喇叭里就听不到声音了。
• Announcements were made over the loudspeaker system.
  通知通过喇叭广播。
• All of a sudden, the policeman's voice came over his loudspeaker.
  突然警察的声音从扩音器中传了出来。
• The music from the loudspeaker told people that they could start galloping freely.
  喇叭传来的音乐告诉人们，可以开始在这里自由驰骋了。
• How to select an optimal driver for loudspeaker system design?
  如何选取最优的驱动单元进行扬声器系统设计？