CNN News:欧洲研究者模拟火箭音效高达154分贝

So, something at 30 decibels would be pretty faint.

因此,30分贝的声音相当微弱。

Maybe somebody whispering to you in a library.

也许可能就像有人在图书馆跟你低语。

You are probably listening to me at a level of around 60 decibels right now, unless you're sittingright next to the speaker.

你现在听我讲话可能是60分贝左右的水平,除非你是在麦克风旁边坐着。

Exposure to anything above 85 decibels for too long can cause hearing loss.

暴露在高于85分贝环境下太久会导致听力丧失。

So, why would someone want to invent something louder than 154 decibels?

那为什么有人还想发明比154分贝还高的东西呢?

A vacuum cleaner, a freight train.

吸尘器,货运列车都是这样。

80s heavy metal gods, "Manowar."

还有80年代的重金属战神。

None of this can stand up to thismonstrous system: it's so loud it will literally kill you.

而没人可以承受如此系统带来的噪音:单单响亮的声音会杀了你。

Or at least completely rupture your eardrums.

或者至少完全使你的耳鼓破裂。

It's called the Large European Acoustic Facility.

它被称为欧洲大型音响设备。

LEAF, for sure.

简称LEAF。

It's operated by the European Space Agency in the Netherlands.

它是由荷兰的欧洲航天局实施。

They use it to simulate the rigors of spaceflight.

他们使用这套设备来模拟航天的严酷。

Things like the noise from a rocket launch.

比如火箭发射的噪声。

Or the intense friction experience for passing in and out of the atmosphere.

还有进出大气层强烈的摩擦体验。

The giant room that makes up the speaker, has massive horns that can blast air so powerfully,that sounds inside the room can exceed 154 decibels.

巨大的房间,扩音器,巨大的喇叭使得声音如此巨大,听起来在房间内可以超过154分贝。

That's like standing in the center of a group of jets if they take off all around me.

这就像站在一群飞机的中央，它们马上在我周围起飞的感觉。

And so, the scientists don't melt their brains.

然而科学家们的聪明才智并没有将他们的大脑熔化。

The room is surrounded by steel-reinforced concrete and rubber padding.

房间周围有钢筋混凝土和橡胶垫。

Plus, the horns won't operate unless all the doors are locked and sealed.

另外,除非所有的门已经上锁着并且密封，喇叭才会响起。

Welcome to the "Roll Call."

欢迎来到点名节目环节。

It's worldwide Wednesday.

这是全世界的星期三。

That means, we are going global to see who is watching CNN STUDENT NEWS.

这意味着,我们要前往世界,看谁正在收看CNN学生新闻。

In Manila, Philippines, hello to the students of Santa Thomas University.

在菲律宾的马尼拉,圣托马斯大学的学生们，你们好。

Our next school is in Yerevan, Armenia.

我们的下一个学校是在亚美尼亚的埃里温。

Thanks to all of those watching at Quantum College Middle and High School.

感谢量子学院初中和高中所有收看本节目的同学们。

And we'll make our third stop in Ontario, Canada.

我们的第三站是加拿大的安大略省。

We are glad to be part of your day in Victor Loreston Public School.

维克多洛雷斯顿公立学校的学生们，很高兴我们的节目成为你们一天的一部分。