话筒又称麦克风，一种电声器材，属传声器，是声电转换的换能器，通过声波作用到电声元件上产生电压，再转为电能。用于各种扩音设备中。话筒种类繁多，电路简单。分析话筒电路主要掌握两点：（1）信号传输回路分析，比较简单，分析各种话筒输入插口电路。（2）话筒信号放大器分析，话筒放大器是一种小信号低噪声音频放大器，分析话筒电平控制电路并不困难。
话筒 [huà tǒng]
n. microphone
misc. voice tube
双语例句原声例句
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话筒被巧妙地隐藏在书柜里。
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他将电话筒从耳边拿开，脸上显出一种不相信和厌恶的表情。
He moves the phone away from his face in a combination of disbelief and disgust.
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Can I get the mikes up and perhaps the person right in front of you.
把话筒递给你前面的那个人吧
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So Christine, why don't you wait for the mike and point that out again.
请再把话筒递给克里斯汀,请你再说一下刚才的观点
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Look out!" Some ten paces away Lolita through a glass at a telephone booth, membranous god still with us, cupping the tube confidentially, hunched over it, slit her eyes at me, turned away with her treasure, hurriedly hang up and walked out with a flourish.
注意！“十步开外洛丽塔透过电话间的玻璃正用手,握着话筒，万分信赖的说着什么，她的目光扫到我，拿着她的宝贝转过身去，急忙挂上，一个戏剧性的夸张动作，走了出来。
应用推荐
$firstVoiceSent
- 来自原声例句