loudspeaker是什么意思
2024-01-21 20:29:17
loudspeaker
n. 扬声器；喇叭
近义词：megaphone，bullhorn，loudhailer，speaker，amplifier，pa，mike，public-addresssystem，horn，microphone，speakersystem，speakerunit，system，unit，loudspeakersystem，
双解释义
n.(名词)
- [C]扩音器，扬声器，喇叭 part of a radio receiving apparatus that changes electric waves into sound-waves loud enough to be heard without ear-phones
英英释义
Noun
- electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
例句
用作名词(n.)
- The nurse paged the doctor on the loudspeaker.护士通过广播喊叫那位医生。
- We heard the news over the loudspeaker.我们听见扩音器里广播了这一消息。
- The police addressed the crowd through a loudspeaker on their car.警察通过他们汽车上的喇叭向人群喊话。