1.
A portable device consisting of a microphone attached to a loudspeaker, used especially to amplify the voice.
手提式扩音器一种便携的由麦克风和扩音器连在一起的设备，专用来扩大声音
2.
Standard microphone. Capacitor or push-pull microphone can be specified.
标准扩音器。可指定电容器式或推拉式扩音器。
3.
Standard, capacitor or push-pull microphone.
标准、电容器式或推拉式扩音器。
4.
Do you sell portable cassette players?
卖手提卡式放音机吗?
5.
I have a portable radio.
我有一台手提式收音机。
6.
The only way he could have made what he was saying any louder would be with a bullhorn.
若让他说那些话时声音再大一点儿,他唯一可用的方法就是用手提扩音器了。
7.
Drag onto the page, then right-click to specify capacitor or push-pull microphone.
拖到绘图页上，然后右击可指定为电容式扩音器或推拉式扩音器。
8.
portable pressure steam steriliazer
手提式压力蒸气消毒器
9.
hand-held electric nut setter
电动螺母安装器,手提式
10.
high pressure steam sterilizer of portable type
手提式高压蒸汽消毒器
11.
portable optic-electronic tracker
手提式光电子跟踪器
12.
portable residual current device
手提电流式漏电断路器
13.
A funnel - shaped device used to direct and amplify the voice.
扩音器用来传声或扩音的漏斗形装置
14.
To amplify(music)by electronic means.
以电气扩大音响以电子手段为（音乐）扩音
15.
a portable loudspeaker with built-in microphone and amplifier.
内部带有扩音器和扬声器的轻便的扩音器。
16.
The vibrations are amplified electrically and can be heard through loudspeakers in the operating room.
这种震动通过电流放大后，就可以从手术室的扩音器中收听到。
17.
addressed us over the loudspeaker
透过扩音器对我们演讲
18.
Hearing Aid and Amplification System
助听器与声音扩大系统