您要查找的是不是：
- The Micro system is a microphone and a loudspeaker in one. Micro系统是一个话筒和一个扬声器合而为一。
- loudspeaker microphone 扬声器传声器
- The nurse paged the doctor on the loudspeaker. 护士通过广播喊叫那位医生。
- Speak clearly into the microphone. 对著话筒说清楚些。
- We heard the news over the loudspeaker. 我们听见扩音器里广播了这一消息。
- The lecturer speaks through a microphone. 演讲者通过麦克风说话。
- He is talking into a microphone. 他正在对着麦克风讲话。
- A loudspeaker designed to reproduce bass frequencies. 低频扬声器设计用来再现低音频率的扬声器
- 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。
- He used a microphone so that everyone could hear him. 他使用扩音器，使人人能听见他的讲话。
- A device for projecting sound waves, as in a loudspeaker. 角状扩音器一种用来产生声波的装置，如扬声器
- A loudspeaker magnifies the human voice. 扬声器扩大人的声音。
- A hidden microphone, as on a person's body or in a building. 隐形话筒，窃听器如放在人身体上或建筑物上的不让外人看到的麦克风
- To supply with or transmit through a microphone. 通过话筒传送通过话筒提供或传送
- Addressed us over the loudspeaker; can't tell you over the phone. 透过扩音器对我们演讲; 不能通过电话告诉你
- To distort sound recording or transmission by overloading a microphone or loudspeaker. 声音失真由于麦克风或扬声器负载过重而使得声音记录或传送失真
- There is a loudspeaker in a radio. 收音机里有个喇叭。
- The radio loudspeaker blared the news out. 广播喇叭大声播送新闻。
- Plug in the microphone or no one will hear me. 请把麦克风插上，不然没人听得到我的声音。
- Her voice over the loudspeaker was distorted. 她通过扬声器说话的声音失真了。
