• 1. loud-speaker: 扩音机 | 扬声器 | 扩音器
• 2. Loud speaker: 扬声器 | 喇叭
• 3. cone loud speaker: 锥形扬声器

更多释义

• 1.The police on duty tried to shoo away the crowd by using a loud-speaker.
  在值班的警员试着把人群散去，于是他使用了扬声器。
  dict.yoduao.com
• 2.She gave up talking as she saw bette was trying to listen to the speech that was being relayed through a loud-speaker tied to one of the trees.
  系在一棵树上的扩音机里传过来人家的演讲，她看见蓓蒂要听就不说话了。
  dict.yoduao.com
• 3.Explosion-proof flexible connecting pipes is used in explosion-proof telephone station, explosion-proof terminal, explosion-proof loud-speaker inlet or outlet to conduit and protect the cable.
  防爆挠线连接管用于防爆电话站、防爆接线箱、防爆扬声器的输入，输出口到布线钢管之间的过渡连接，起到保护电缆的作用。
  dict.yoduao.com

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