“扩音器”造句

“我们是警察,”直升机上传来扩音器中的声音。
"This is the police," came the amplified voice from the helicopter.

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。
I distinctly heard the loudspeaker calling passengers for the Turin-Amsterdam flight.

他们把吉他与扩音器相接。
They plugged their guitars into amplifiers.