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1·The microphone screeched with feedback.

麦克风发出了尖厉的噪声。《柯林斯英汉双解大词典》

2·He clipped the microphone (on) to his collar.

他把麦克风别在衣领上。《牛津词典》

3·He grabbed my microphone and we tussled over that.

他抓住我的话筒，我们为此扭打起来。《柯林斯英汉双解大词典》

4·The microphone was making a strange whistling sound.

扩音器发出一种奇怪的哨音。《牛津词典》

5·The microphone was cunningly concealed in the bookcase.

话筒被巧妙地隐藏在书柜里。《牛津词典》

6·The lead singer was prancing around with the microphone.

首席歌手手执麦克风，神气地走来走去。《牛津词典》

7·My hand shook so much that I could hardly hold the microphone.

我的手抖得厉害以至于几乎握不住麦克风。《柯林斯英汉双解大词典》

8·He stepped up to the microphone and swung into his rah-rah speech.

他走到麦克风前，迅速发表了鼓动性的演说。《柯林斯英汉双解大词典》

9·For me, a performance is in front of a microphone, over the radio, to an unseen audience.

对我来说,表演就是在麦克风前，通过无线电，传播给看不见的听众。《柯林斯英汉双解大词典》

10·Unsteadily he mounted the podium, adjusted the microphone, coughed, and went completely blank.

他摇摇晃晃地走上讲台，调好麦克风，咳嗽了几声，接着脑子就一片空白。《柯林斯英汉双解大词典》

麦克风

1·He clipped the microphone (on) to his collar.

他把麦克风别在衣领上。《牛津词典》

2·Obviously, you need a microphone and a sound card.

显然，你需要一个麦克风和一个声卡。

3·My hands trembled in spite of myself as I picked up the microphone.

当我拿起麦克风时，双手不由自主地颤抖起来。

4·With an amplifying device like a microphone, the speaker can use a natural tone.

有了麦克风之类的扩音装置，演讲者就可以使用自然的音调。

5·Would you like to talk to me on the microphone, instead of typing in the chatroom?

你愿意用麦克风跟我讲话，而不是在聊天室里打字吗？

话筒

1·He grabbed my microphone and we tussled over that.

他抓住我的话筒，我们为此扭打起来。《柯林斯英汉双解大词典》

2·I keep these songs in my head until I get behind the microphone.

直到站在话筒前我一直是将这些歌记在脑中。

3·It's only when the microphone is put in front of the laughing man in the middle that you understand why this video is so funny.

只有当话筒放在前面中间的那个在笑的男人时，你才会明白为什么这个视频会搞笑。

4·If you are using a microphone, make sure it works.

如果你要用话筒，一定要确保它好用。

5·It has a decent speaker, and even a tiny microphone.

它有个不错的扩音器，另外还有个微型话筒。

传声器

1·The microphone, you see, ACTS much like a telephone transmitter.

你看，传声器作用与电话的送话器很相像。

2·This paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.

分析了驻极体传声器的电路模型及其传统的前置放大电路。

3·The experimental result shows that the measurements with microphone are highly sensitive to airflow in the fan duct.

实验结果表明，风机管道中空气流动对传声器测量信号的影响很大。

4·Finally, the silicon condenser microphone with this anti-stiction structure was fabricated successfully.

最终我们研制成具有防粘结构的硅微电容传声器。

5·It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals.

该电路涉及到放大、滤波、电平抬升等电路，并给出了安全设计问题，利用驻极体电容传声器来拾取心音信号。

扩音器

1·Each recording had a series of rhyming words that the volunteers had to identify, with and without the intelligent microphone, for different levels of background noise.

每段录音都有一系列的押韵字词，志愿者要在不同程度的背景噪音下佩戴与不佩戴该智能扩音器来辨别这些词。

2·The bear is used as a pillow, but has a built-in microphone.

这种熊其实是一个枕头，不过装有内置的扩音器。

3·Participants understood almost 50 per cent more speech with the intelligent microphone with average background noise.

参与者在中等程度的背景噪音下佩戴该智能扩音器多听懂了差不多50%的言语。

4·The microcontroller is responsive to sound and has a button in the back of one of the ears along with two potentiometers and a microphone in the front of the costume.

这个微控制器装置是声音敏感装置， 在衣服的两个耳朵背后，各有一个按钮，连接着两个电压计，与衣服前端的一个扩音器相连接。

5·He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下扩音器。

送话器

1·The remote controller further includes a speaker for transferring an audio signal from the Internet device to the user, and a microphone for receiving a user's voice.

遥控器还包含用于将音频信号从互联网装置传送到用户的扬声器，以及用于接收用户声音的送话器。

(1)wireless microphone无线话筒；无线传声器

(1)condenser microphone电容式传声器

(1)electret microphone驻极体麦克风