Well, maybe he wanted it To muffle the gun.

噢 他可能想用这儿消声。

So now I work at the muffler shop. -Why?

所以现在我在一家(内燃机)消声器店工作。-为什么？

You know, there's Passive Noise-Canceling, or Passive Noise-Reduction, which is effectively an earplug.

知道，有被动消声，或被动降噪，它实际上是一个耳塞。

The earplugs, made by a firm that 3M bought in 2008, were distributed to troops during the conflicts in Afghanistan and Iraq, but the servicemen claim that the noise mufflers failed to prevent a loss of hearing.

这些耳塞由3M公司在2008年收购一家公司制造，随后在阿富汗和伊拉克冲突期间分发给了部队，但军人们声称这些消声耳塞无法防止听力损失。

You'll never hear from us again.

我们从此消声匿迹。

So make sure that your muffler is solid.

因此，请确保您消声器是坚固。

The collection of Route 66 giants became known as “Muffler Men.”

66 号公路巨人集合被称为“消声器人”。

Throughout the years he has changed the color, silver plating, changed motors, no mufflers.

这些年他改过颜色，镀过银，换过发动机，去掉过消声器。

Without a giant  cosmic muffler between us and our closest star, what would we hear?

如果我们和恒星之间没有巨大宇宙消声器，我们会听到什么？

But this is not an ordinary tank, this is what we call an anechoic tank.

但这并非普通储水池，而是我们所说消声水池。

Okay, so one of the kind of miraculous things about an anechoic chamber is it allows you to hear something that you can't hear outside of the chamber.

好，消声室一个神奇之处在于，它能让听到在室外无法察觉声音。

(Pulse) I've personally experienced an anechoic chamber, and it's a really wild experience that can completely change your perceptions about sound and silence.

（脉搏）我亲自体验过消声室，那是一种非常奇妙体验， 可以完全改变对声音和寂静看法。

So an anechoic chamber's design is to reduce the amount of sound to just as absolute - close to absolute zero as possible.

因此，消声室设计就是将声音量降低到尽可能绝对值——接绝对零。

The guy who makes a YouTube channel showing off his silenced 50 caliber or whatever machine gun that he mounted to a truck.

那个在YouTube上开频道展示他装在卡车上消声50口径机枪或其他什么机枪人。

And people on the outside-- people that can help you disappear.

还需要外面接应人--要帮我们消声匿迹。

And they said, no, you know, we're not going to pay a lot for that muffler shop.

他们说，不，知道，我们不会为那家消声器店付太多钱。

Without mufflers vehicles are pretty loud.

没有消声器车辆声音很大。

The muffler is the part of the vehicle that makes the engine quieter.

消声器是使发动机更安静车辆部件。

The Big Twin exhales through a dual muffler Akrapovic exhaust system, which is standard on our top-tier race replica bike.

Big Twin 通过双消声器 Akrapovic 排气系统呼气, 这是我们顶级赛车复制品自行车标准配置。

Anechoic chambers are rooms that are acoustically treated to minimize sound to almost zero.

消声室是经过声学处理以将声音降至几乎零房间。