The fans shrieking, the popping flash bulbs, the mics swimming with feedback.

尖叫的粉丝，爆裂的闪光灯，回荡着噪声的。

In this way, we can turn everyday objects into microphones.

依靠这种方法，我把任何物体变成。

Oh, it's an ultrasonic microphone so we can hear the baby's heartbeat.

是一超声波，用它听到宝宝的心跳。

So it's the host that can press the button to turn off our mikes?

所是主持人按下关闭我的按钮？

I'm not quite, this is still, it's hard with this microphone, isn't it, Dua？

我还不太清楚，这很难用，是吧，杜阿？

Before long, they become absolutely fearless and unafraid of the microphone.

不久，他就会对毫无畏惧。

Number one, check for the position of the mic.

方法一，看看的位置。

Oh, I better turn my mic down for this.

哦，我得把关小一点。

You can also use a lav mic, like so.

你也像这样使用领夹。

I'm not quite, this is still, it's hard with this microphone, isn't it, Dua?

我还不太清楚，这很难用，是吧，杜阿？

The music will start and Mic will drop.So, practice, don't wing it.

音乐开始响 会下降 好好练习 别即兴发挥。

Open mic nights are events where anyone can sing or play music.

开放式之夜是任何人都唱歌或演奏音乐的活动。

To record this, scientists use ultrasonic microphones that detect frequencies human ears can't.

为了记录，科学家使用了超声波，这种探测到人耳无法听到的频率。

You'll soon see a microphone button that will trigger that speech capability.

用户看到谷歌浏览器上新增了一按钮并增加了语音功能。

This includes any use of the device camera, microphone or other user inputs.

这包括摄像头、或其它用户输入的任何使用。

Can you drop the mic on how many revenues, how much revenues have come in?

你能把放下来，告诉我有多少收入吗？

That's dangerous when we're surrounded by laptops and microphones.

当我周围都是笔记本电脑和的时候，这是很危险的。

Unfortunately I didn't have a microphone at the time to record us.

倒霉的是，我当时没用把说的话录下来。

Just give her a microphone and an audience and she is ready to perform!

只要给她和观众，她就准备好表演了！

She finishes performing, hands me the microphone and says, Was that okay?

碧昂斯结束表演之后，把递到我手中，问道：像我这样吗？