I think you all know what ultraviolet light is.

我想，们都知道紫外线是什麽。

Beyond violet is ultraviolet light, or UV.

在紫光之外是紫外光（UV）。

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

更准确地说，是高能紫外线，比如说日光中紫外线。

Unlike humans, birds can see ultraviolet light.

与人类不同，鸟类可以看到紫外线。

Sometimes ultraviolet light is used to encourage plant growth.

有时紫外线被用来促进植物生长。

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

它们是由于紫外线对乙烷作用形成，看。

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

它们以慢镜头观察一切，而且它们还能看到紫外线。

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

它使用一种叫做UVC紫外线进行消毒。

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

主要对绿光敏感，主要对紫外线敏感。

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

我们有——这种机器人，使用是叫做UVC紫外线波。

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

该机器人必须在没有人情况下操作，提供紫外线。

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紫外线、红外线等。

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紫外线下才能看到透明液体。

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紫外线哺乳动物之一。

Strong forces can still be felt through the fabric, and its fibers gradually lose strength under ultraviolet light.

在紫外线照射下，织物仍能感受到强大力量，纤维会逐渐失去强度。

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，紫外线就比蓝色更蓝，X射线比紫外线更蓝。

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紫外线，所以它们用于屋顶。

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紫外线电离。

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紫外线对废水进行消毒，以去除病毒和菌。

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紫外线净化空气、清洁饮用水已经将近五年了。