public address system
/pˈʌblɪk ɐdɹˈɛs sˈɪstəm/
/pˈʌblɪk ɐdɹˈɛs sˈɪstəm/
Public address system
01
公共广播系统, 扩音系统
an electronic amplification system used to broadcast sound to a large audience in public spaces
例子
The school used the public address system to announce the upcoming field trip.
学校使用扩音系统来宣布即将到来的实地考察旅行。
The concert venue had a powerful public address system to make sure everyone could hear the performance.
音乐会场地有一个强大的扩音系统,以确保每个人都能听到表演。



























