I think you all know what ultraviolet light is.

我想，你们都知道外线是什麽。

Beyond violet is ultraviolet light, or UV.

在光之外是外光（UV）。

Unlike humans, birds can see ultraviolet light.

不同，鸟可以看到外线。

Specifically, high-energy ultraviolet light, like the UV rays in sunlight.

更准确地说，是高能外线，比如说日光中外线。

They're formed when ultraviolet light interacts with ethane you see.

它们是由于外线对乙烷作用形成，你看。

They see everything in slow-mo, plus they can see ultraviolet light.

它们以慢镜头观察一切，而它们还能看到外线。

It is disinfecting using a form of ultraviolet light called UVC.

它使用一种叫UVC外线进行消毒。

Cells sensitive mainly to green light and cells sensitive mainly to ultraviolet light.

主要对绿光敏感细胞，主要对外线敏感细胞。

We have an -- The robot uses waves of ultraviolet light called UVC.

我们有——这种机器，使用是叫UVC外线波。

The robot must operate without a human to deliver its waves of ultraviolet light.

该机器必须在没有情况下操作，提供外线。

The system uses a clear liquid that can only be seen under ultraviolet light.

该系统使用了一种只有在外线下才能看到透明液体。

Gas molecules emitted by the comet get ionized by the Sun's ultraviolet light.

彗星释放气体分子被太阳外线电离。

The reindeer is also one of the only mammals on the planet that can see ultraviolet light.

驯鹿还是为数不多能看到外线哺乳动物之一。

So in this lingo, ultraviolet light is bluer than blue, and X-rays are bluer than ultraviolet.

所以按这个术语说法，外线就比蓝色更蓝，X射线比外线更蓝。

Metals like tin and aluminum are much better at reflecting ultraviolet light, which is why they're used in roofing.

而像锡和铝这样金属能更好反射外线，所以它们用于屋顶。

These digital cameras can also be designed to detect ultraviolet light, infrared, and more.

数码相机还可以用来探测外线、红外线等。

The water reuse treatment process usually involves disinfecting wastewater with ozone gas or ultraviolet light to remove viruses and bacteria.

水再利用处理过程通常包括用臭氧气体或外线对废水进行消毒，以去除病毒和细菌。

Omar Chappuis's Dubai based company has used ultraviolet light to purify air and sanitize drinking water for nearly five years.

奥马尔·查普伊位于迪拜公司使用外线净化空气、清洁饮用水已经将近五年了。

Sunburn and tans are both caused by the sun's ultraviolet light interacting with and damaging your skin in different ways.

晒伤和棕色皮肤都是由多种外线造成，并从不同方面损坏你皮肤。

It matches an earlier measurement made using ultraviolet light.

它早期使用外线进行测量相符。