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

• 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。
• Sell speaker, mini speaker, loudspeaker, subwoofer, speakers, audio system.
  一位卖，迷你音箱，扬声器，低音炮，扬声器，音频系统。
• You measure frequency responses of loudspeakers crossovers, distortion of any audio equipment and impulse responses of loudspeaker systems.
  可以测量扬声器的频率反应，任何音频设备的失真和脉冲。
• There is a loudspeaker in a radio.
  收音机里有个喇叭。
• 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。
• 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。
• The voltage of the amplified signal at the loudspeaker is 2V.
  扬声器放大了的信号的电势为2伏。
• In this article, a method to design two way loudspeaker crossover networks by genetic algorithms is described.
  文章论述了运用遗传算法优化设计两分频扬声器分频网络的方法。
• Announcements were made over the loudspeaker system.
  通知通过喇叭广播。
• 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。