Pistonphone
[电] 活塞话筒
🗣️ 情景例句
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，请告诉工厂的高先生继续努力。
I think you have made a right decision.
我认为你们做出了正确的决定。
When he returned to India he spoke in public about the situation in South Africa.
当他加到印度之后，他还就南非的形势公开发表演说。