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- Magnetic Loudspeaker Coil Design on a Kind of Loudspeaker 一种推挽式电动扬声器的磁路音圈设计
- 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。
- Dalian is a magnet for tourists. 大连是吸引游客的地方。
- This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客。
- 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 magnet attracts both iron and steel. 磁铁吸铁也吸钢。
- Certain metals are attracted to a magnet. 某些金属会受磁石的吸引。
- 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。
- It shows the presence of a magnetic field. 这表明有磁场存在。
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- 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
- Having the same magnetic inclination or dip. 等磁倾的有相同的磁倾斜的
- There is a loudspeaker in a radio. 收音机里有个喇叭。
- The block becomes magnetic when the current is switched on. 通电时线圈即具磁性。
- Human beings have learned out how to make magnet of cast iron. 人类已经学会如何从生铁制出磁铁。
- The radio loudspeaker blared the news out. 广播喇叭大声播送新闻。
- Forbidden City is a great magnet for foreign tourists. 紫禁城对外国旅游者来说是个有巨大吸引力的地方。
