loudspeaker
n. 扩音器,喇叭;<旧>(收音机或乐器的)扬声器,喇叭
复数 loudspeakers
例句
One boy did an imitation of a soldier with a loudspeaker.
一个男孩拿着扬声器学着士兵的样子。
《柯林斯英汉双解大词典》
I distinctly heard the loudspeaker calling passengers for the Washington-Miami flight.
我清楚地听到扩音器在呼叫由华盛顿飞往迈阿密的旅客。
It makes one think of the story about the airline pilot who told his passengers over the loudspeaker.
这让人想起了那个飞行员通过扩音器告诉乘客的故事。