扩音器
英语翻译
参考释义
- 扩音器[kuòyīnqì]
- -megaphone;loud-speaker;audioamplifier;aerophone;microphone
双语例句
A device for projecting sound waves, as in a loudspeaker.
The blare of the speaker burst upon our ears.
He used a microphone so that everyone could hear him.
I bought an amplifier yesterday.
