您要查找的是不是：
- equipolar loudspeaker 等极式扬声器
- 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。
- 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。
- 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。
- 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
- 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。
- Her voice over the loudspeaker was distorted. 她通过扬声器说话的声音失真了。
- The loudspeaker blared across the square. 扬声器在广场上发出响而刺耳的声音。
- The loudspeaker blared the music over the park. 扬声器在公园里播放音乐。
- The loudspeaker's stopped working. 扩音器不响了。
- By the time she had her design thought out, the loudspeaker had broadcast her plan throughout the factory. 等她把设计办法想出来时，大喇叭己经把她的办法向全厂广播了。
- Oh, I've forgotten about the loudspeaker! 哦，我忘了扬声器的事！
- Bush is addressing the crowd over the loudspeaker. 而布什总统靠在一个大官印旁边，他正通过麦克风向人群发表讲话。
- Rock music flooded over the loudspeaker. 喇叭里大声放送着摇滚乐。
- The loudspeaker seemed to distort his voice. 他的声音从喇叭里传出来好像失真了。
- Their names were called over the loudspeaker. 喇叭里叫着他们的名字。
