The ozone layer shields the earth from the sun's ultraviolet rays.

臭氧层保护地球不受太阳紫外线的辐射。

The sun's ultraviolet rays are responsible for both tanning and burning.

太阳的紫外线是皮肤晒黑和晒伤的原因。

Heat, too, makes our environments tolerable and some ultraviolet rays penetrate the atmosphere.

热也使我们的环境变得适宜生存，而且一些紫外线会穿透大气层。

Many types of radiation, especially ultraviolet rays from the Sun, can damage skin cells and cause cancer.

许多类型的辐射都会损害皮肤细胞并导致癌症，尤其是来自太阳紫外线的辐射。

For example, sunglasses are not just for fashion but they can also serve as a great way to protect your eyesight from ultraviolet rays.

例如，太阳镜不仅仅是为了时尚，也是保护视力免受紫外线伤害的好方法。

Tout Va Bien in ultraviolet rays that make the clients of the Dupont chain cafés look like gangrened cadavers.

用紫外线打出的“皆大欢喜”，在它的照射下光顾一连串杜邦咖啡店的顾客显得像生了坏疽的尸首。

What are infrared and ultraviolet rays?

什么是红外线和紫外线？

They can protect your eyes from ultraviolet rays.

它们可以保护你的眼睛不受紫外线的伤害啊。

Ultraviolet rays can penetrate through clouds.

紫外线可以穿透云层。

The sun's heat and ultraviolet rays will kill anything inside.

阳光的热度和紫外线会杀死水中的任何有害物。

These ultraviolet rays still are able to have to skin hurt.

这些紫外线对皮肤仍然会有伤害。

Gucci: Sure. They can protect your eyes from ultraviolet rays.

古奇：当然有啊。它们可以保护你的眼睛不受紫外线的伤害啊。

The ozone layer protects life on Earth from harmful ultraviolet rays.

臭氧层可以保护地球上的生物免受有害紫外线的辐射。

Too much exposure to the sun's ultraviolet rays can cause skin cancer.

过多的太阳紫外线照射可能导致皮肤癌。

Harmful ultraviolet rays cause 90 percent of skin damage [source: Poirot].

紫外线极具杀伤力，足以引起皮肤90%的损坏【Poirot研究中心】。

Her face was browned. It was clear that was affected by strong ultraviolet rays.

脸是棕色的，显然是受了强烈紫外线照射的影响。

It takes more than sunscreen to keep the sun's ultraviolet rays from harming your skin.

防止太阳光中紫外线对皮肤的伤害，除了防晒霜，还有其他保护方法。

But the amount of ultraviolet rays reaching the Earth varies by location and season.

但到达地球表面的紫外线量受制于地区和季节的变化。

June: yes, these sunglasses will protect your eyes from the sun's harmful ultraviolet rays.

朱恩：是的，这太阳镜会保护你的眼睛免受太阳的有害紫外线。

Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.

臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。

Both sets of test animals were exposed to levels of ultraviolet rays that an average Australian receives.

这两组实验动物都是暴露于高于澳大利亚平均紫外线水平的紫外线下。

The boys could not be exposed to any ultraviolet rays, or they ran the risk of almost certain skin cancer.

两个孩子不能照射任何的紫外线光，否则他们极容易患上皮肤癌。

Some FDA standards were developed for ultraviolet rays known as UVB, but the new rules deal with UVA rays.

FDA已经制定了防晒霜的一些关于紫外线中uvb的标准，但是，新标准是针对uva的。

Do not expose mattress to long periods of direct sunlight. Ultraviolet rays gradually destroy the coated fabric.

不要把气垫长时间暴露在直射阳光下，紫外线会逐渐破坏织物涂层。

Other areas of concern are transparent sunscreens that block all ultraviolet rays just as efficiently as any zinc paste.

其它要注意的还有透明的遮光剂，它可以阻挡所有紫外线，功效同 zinc paste 一样。

For instance, plastics have a known weakness to ultraviolet rays from the sun, and so long exposure might represent an issue.

例如，塑料有一个缺陷，不能长期暴露于太阳紫外线的照射中。

Researchers believe that these growths are caused in part by long-term exposure to the ultraviolet rays contained in sunlight.

研究者们认为，造成这种增生的一部分原因是长期地暴露于阳光中的紫外线下。

Because ultraviolet rays also trigger the synthesis of vitamin D in the skin, sunlight is an important source of the vitamin.

由于紫外线也可以触发皮肤中维生素d的合成，因此日晒是维生素d的一个重要来源。

Clothing does protect the skin against the sun's harmful ultraviolet rays, but not all clothing provides the same protection.

衣服可以保护皮肤免受阳光中有害的紫外线照射，不过并不是所有的衣服都可以提供这种保护。