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1·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》

2·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。《柯林斯英汉双解大词典》

3·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。

4·I was told over the train's loudspeaker that my purse was at the railway station's lost and found office.

火车的扩音器告诉我，我的钱包在火车站的失物招领处。

5·The loudspeaker seemed to distort his voice.

他的声音从喇叭里传出来好像失真了。《牛津词典》

6·Their names were called over the loudspeaker.

喇叭里叫着他们的名字。《牛津词典》

7·The loudspeaker announced the arrival of the train.

广播说火车进站了。《柯林斯英汉双解大词典》

8·The loudspeaker in the railway station announced the upcoming departure.

火车站的喇叭宣布即将出发。

9·When they are found by the drones, the police will warn them through the loudspeaker on the drone.

无人机发现他们时，警察可通过无人机上的扬声器对其发出警告。

10·It also carries a loudspeaker to broadcast a pre-recorded message to remind visitors of the importance of social distancing.

它还带有一个扩音器，播放预先录制的信息，提醒游客保持社交距离的重要性。