And we placed infrasonic microphones around the elephants as we did these experiments.

在进行这些实验时，我们把次声传声器放置在大象周围。

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

依靠这种方法，我们可以把任何物体变成麦。

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

是一个超声波麦，用它可以听到宝宝的心跳。

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

我清楚，这个麦很难用，是吧，杜阿？

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

久，他们就会对麦毫无畏惧。

Oh, that reminds me, we'll be having speeches-are there any microphones available?

这正好提醒了我，我们到时候会有演讲，你们这儿有话筒吗？

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

我清楚，这个麦很难用，是吧，杜阿？

What is the frequency that you know about these microphones?

你知道这些话筒的频率是多少吗？

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

为了记录，科学家们使用了超声波麦，这种麦可以探测到人耳无法听到的频率。

All of the rooms have got standard equipment -- computer, microphones, and sound system.

电脑，话筒以及音响系统。

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

用户可以看到谷歌浏览器上新增了一个麦按钮并增加了语音功能。

It also has a camera, a video recorder, a microphone and a five-inch color touchscreen.

它配备有摄像头，录像机，麦和一个5英寸的彩色触摸屏。

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

这包括摄像头、麦或其它用户输入的任何使用。

No, my dear. It's a picture of a microphone.

是， 亲爱的， 那画的是个话筒。

MPs wielded chairs and microphones stand during the long scuffle in the main parliamentary chamber.

议员们在主要的议会大厅内挥舞着椅子和手机互相打斗。

They wielded chairs and microphones during the prolonged scuffles in the parliamentary chamber.

议员们在主要的议会大厅内挥舞着椅子和手机互相打斗。

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

当我们周围都是笔记本电脑和麦的时候，这是很危险的。

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

倒霉的是，我当时没用麦把说的话录下来。

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

只要给她麦和观众，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，把麦递到我手中，问道：像我这样可以吗？