loudspeaker [ˈlaʊdˌspikɚ]

例句:

• I distinctly heard the loudspeaker calling passengers for the Turin-Amsterdam flight.
  我清楚地听到扩音器里在请都灵至阿姆斯特丹航班的旅客登机。
  来自柯林斯例句
• Announcements were made over the loudspeaker system.
  通知通过喇叭广播。
  
• Their names were called over the loudspeaker .
  喇叭里叫着他们的名字。
  
• One had brought along a loudspeaker and a fairground test-your-strength machine.
  来自NEWYORKER
• The loudspeaker was blaring about the arrival of...Flight 409, now unloading.
  来自J. Grady
• South Korea vowed to quickly re-start propaganda loudspeaker broadcasts along the border.
  来自VOA
• The loudspeaker announced each airplane as it landed at the airport.
  每架飞机在机场一着陆,扩音器就发出通告。
  来自《权威词典》