“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.