“we went under a power line, and someone said they give off UV.”

稍后，“我们从输电线下走过，有人说输电线会放射紫外线。”

UV damage can occur on the eyeballs.

紫外线会对眼球造成害。

But under UV light, these strips really shine.

但是在紫外线下这些细线确实会发光。

UV keratitis is the fancy name for snow blindness.

紫外线角膜炎是花哨叫法。

Higher-wattage lamps emitted higher levels of harmful UV.

高功率灯发射出高水平有害紫外光。

You need a lot of eumelanin to absorb UV rays.

你需要大量黑色素来吸收紫外线。

There would nothing protecting us from the sun's UV rays.

没有东西能阻挡我们受紫外线害。

UV radiation isn't the only way to damage cells, though, right?

紫外辐射并不是导致细胞损一方式。

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。

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害。

But with UV vision, a reindeer can see things in much greater contrast.

但有了紫外线视觉，驯鹿能看到对比度更高东西。

The reason for that color shift was murky-perhaps for UV protection or camouflage.

颜色变化原因尚不明朗，也许是为了防紫外线或伪装。

In several places, there are large holes that let in pure UV light.

在几个地方，甚至出现了臭氧漏洞，导致太阳直射。

And some materials are better at blocking UV than others.

有些材料防紫外线性能更好。

When we lay in the sun, our skin absorbs two types of UV light.

当我们在阳光下躺在时候，我们皮肤会吸收两种紫外线。

So you could see 'em, like it actually painted it with a UV dye.

所以你可以看到它们，就像它用紫外线染料画了它一样。

Double-paned and tempered. UV rays can't penetrate. You see the appeal now? -Hmm.

双层钢化玻璃。隔绝紫外线。发现此地迷人之处了吧？-有趣。

But before the UV lights turn on, safety measures are taken.

但是在打开紫外线灯之前，要采取安全措施。

The ozone layer, our protection against the sun's UV rays, is made of oxygen.

氧气组成臭氧层使人免受紫外线害。

The FDA has approved 16 active ingredients that protect against UV radiation.

美国食品及药物管理局已批准防护紫外线有效成分有16种。