1.This is the ultraviolet band of the rainbow.

这是彩虹的紫外带。

2.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的辐射。

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

太阳的紫外线和热量水产生影响。

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

它使用一种叫做UVC的紫外线进行消毒。

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

然而，这是为了保护我自己受紫外线的伤害。

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

准确地说，是高能紫外线，比如说日光中的紫外线。

7.And some materials are better at blocking UV than others.

有些材料的防紫外线性能好。

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

这两种成分被用来帮助保护受太阳紫外线的灼伤。

9.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的防护紫外线的有效成分有16种。

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

研究员假设每次美甲进行8分钟的紫外光照射。

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

我有——这种机器，使用的是叫做UVC的紫外线波。

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

它会产生一种吸收紫外线的黄酮类物质。

13.Higher-wattage lamps emitted higher levels of harmful UV.

高功率的灯发射出高水平的有害紫外光。

14.The type and amount of melanin in your skin determines whether you'll be more or less protected from the sun.

那么我的祖先是如何应大量的紫外线照射的呢？

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

它通过吸收太阳的两种紫外线辐射来保护每一个生物。

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

紫外光线的能量足以破坏 DNA 中的分子键。

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

主要绿光敏感的细胞，主要紫外线敏感的细胞。

18.All forms of UV light are known to be harmful to the skin and to the eyes.

众所周知，所有形式的紫外线都皮肤和眼睛有害。

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

驯鹿还是为数不多的能看到紫外线的哺乳动物之一。

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

在平流层的高处，薄薄的一层臭氧保护我受太阳致命的紫外线。