public address system
英 [ˌpʌblɪk əˈdres sɪstəm]
美 [ˌpʌblɪk əˈdres sɪstəm]
n. 扩音系统
牛津词典
noun
- 扩音系统
an electronic system that uses microphones and loudspeakers to make music, voices, etc. louder so that they can be heard by everyone in a particular place or building
柯林斯词典
- N-COUNT 扩音系统（缩略形式为PA）
Apublic address systemis a set of electrical equipment which allows someone's voice, or music, to be heard throughout a large building or area. The abbreviationPAis also used.- The news was announced on the public address system at the high school.
消息是在这所中学的广播里宣布的。
- The news was announced on the public address system at the high school.
英英释义
noun
- an electronic amplification system used as a communication system in public areas
双语例句
- The news was announced on the public address system at the high school.
消息是在这所中学的广播里宣布的。 - Distributing Public Address System and the Special Delay-time Device
分布式扩声及其专用延时器的研制 - Based upon the project of Nanning International Conference& Exhibition Center, this article introduces the structure and the design and debugging methods of a new digital public address system.
本文以南宁国际会议展览中心为例，介绍了一种新型的数字化公共广播系统的组成、设计与调试方法。 - They said they would page him over the public address system.
他们说他们要借广播系统寻找他。 - They tried to adapt the public address system into a radio transmitter.
他们想法把广播设备改装成无线电发报机。 - A proposal on acoustic characteristic indices of public address system in a Hall
厅堂扩声系统声学特性指标的建议 - The only unexpected turn occurred when the familiar "Attention Wal-Mart shoppers" announcement over the public address system broke into the ceremony.
唯一出乎意料的是在结婚典礼上突然响起公共播在台播放的”沃尔玛顾客们注意了“这句令人熟悉广播语。 - Someone cranked up the volume of the public address system
有人调大了公共广播系统的音量。 - Oh, I think they're announcing my flight over the public address system. I'd better be going.
啊！我听到扩音器在广播我的班机了，我该走了。 - For the public address system in free field, which has multiple loudspeakers, it also has the same effect.
对于具有分布式扬声器的窒外扩声系统，也有类似的效应。