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。

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

我们有——这种机器人，是叫做UVC紫外线波。

The ultraviolet rays and the heat from the sun act together on the water.

太阳紫外线和热量共同对水产生影响。

It protects every living thing by absorbing two types of ultraviolet radiation from the Sun.

它通过吸收太阳两种紫外线辐射来保护每一个生物。

Both of these ingredients are used to help protect people from the sun's ultraviolet rays.

这两种成分被来帮助保护人们免受太阳紫外线灼伤。

However, that comes with the need to protect ourselves against those UV rays.

然而，这是为了保护我们自己免受紫外线伤害。

And UV has enough energy to break bonds in molecules like DNA.

紫外光线能量足以破坏 DNA 中分子键。

And some materials are better at blocking UV than others.

有些防紫外线性能更好。

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

主要对绿光敏感细胞，主要对紫外线敏感细胞。

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

它一种叫做UVC紫外线进行消毒。

This is the ultraviolet band of the rainbow.

这是彩虹紫外带。

The atmosphere is so thin, there is very little protection from ultraviolet radiation.

由于大气稀薄无法阻挡紫外线辐射。

Higher-wattage lamps emitted higher levels of harmful UV.

高功率灯发射出高水平有害紫外光。

High in the stratosphere, a thin layer of ozone shields us from the sun's deadly ultraviolet rays.

在平流层高处，薄薄一层臭氧保护我们免受太阳致命紫外线。

If ozone disappears, then ultraviolet from the sun in all 3 forms will enter the atmosphere.

如果臭氧层消失了，来自太阳所有三种形式紫外线将进入大气层。

They make a variety of compounds called flavonoids that absorb UV.

它们会产生一种吸收紫外线黄酮类物质。

It just means that your corneas are exposed to more ultraviolet radiation, then they're accustomed to.

这只是意味着你角膜暴露在更多紫外线辐射下，比它们习惯要多。

The researchers assumed an eight-minute UV exposure each time.

研究人员假设每次美甲进行8分钟紫外光照射。

It's dark green because they have this particular pigment protecting them from the access of UV light.

这是深绿色, 因为它们有这个特殊色素保护自己不受紫外线侵害。

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。