loudspeaker

🇬🇧/ˌlaʊdˈspiːkə(r)/ 🇺🇸/ˌlaʊdˈspiːkər/📚 13285 108 1四级六级考研高考
A loudspeaker is a piece of electronic equipment that forms part of a public address system and transmits sound. 扬声器

noun [专属名词]扩音器,喇叭;<旧>(收音机或乐器的)扬声器,喇叭

The loudspeaker announced the arrival of the train.
广播说火车进站了。

单词造句:
网友用“Loudspeaker”造句精选
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。
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。