打外线电话必须付费。
我接不通外线。
臭氧是地球防止紫外线辐射的屏障。
Ozone is the earth's barrier against ultra-violet radiation.
受紫外线照射与皮肤癌紧密相关。
Exposure to ultraviolet light is closely linked to skin cancer.
使用能有效滤掉紫外线的防晒霜。
孩子们应该佩戴可以滤除紫外线的眼镜。
太阳的紫外线是皮肤晒黑和晒伤的原因。
The sun's ultraviolet rays are responsible for both tanning and burning.
臭氧层保护地球不受太阳紫外线的辐射。
The ozone layer shields the earth from the sun's ultraviolet rays.
臭氧是氧气与紫外线发生化学反应而产生的。
Ozone is produced by the reaction between oxygen and ultraviolet light.
这部电话用于打外线。
表面的一种特殊材料接收来自太阳的紫外线。
A special material on the surface receives UV light from the sun.
它位于光谱的红外线区域内。
长期暴露在紫外线下，患其他皮肤癌的可能性就越大。
Other skin cancers are increasingly likely with long-term exposure.
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。
Heat, too, makes our environments tolerable and some ultraviolet rays penetrate the atmosphere.
不管你用什么产品，都应该只发出可见光，因为紫外线会伤害眼睛。
Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.
二氧化碳含量的增加意味着有更多的二氧化碳分子吸收红外线辐射。
An increase in the amount of carbon dioxide means that there are more molecules of carbon dioxide to absorb infrared radiation.
我们把红外线显微镜——一个分光镜——放在很少很少的一点颜料上。
We put an infrared microscope—a spectroscope—on tiny tiny bits of paint.
三个月后，妇女的皮肤更加湿润光滑，暴露在紫外线时减少鳞片和泛红。
After three months, the women's skin was moister, smoother, and less scaly and red when exposed to ultraviolet light.
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。
For example, sunglasses are not just for fashion but they can also serve as a great way to protect your eyesight from ultraviolet rays.
紫外线和猛烈的星际风，在气体以及包裹星群的灰尘上吹出了一个硕大的洞。
Ultraviolet radiation and violent stellar winds have blown out an enormous cavity in the gas and dust enveloping the cluster.
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。
Many types of radiation, especially ultraviolet rays from the Sun, can damage skin cells and cause cancer.
首先，我们尝试用各种各样的技术，例如利用紫外线清晰地展示阿基米德的文字。
First, we tried to make the Archimedes'words stand out with a variety of technologies, using ultraviolet light．
例如，地球臭氧层的破坏会使紫外线伤害植物和动物，从而导致普遍的贫瘠进程。
The destruction of Earth's ozone layer, for example, could contribute to the general process of impoverishment by allowing ultra-violet rays to harm plants and animals.
其他行星上没有氧气，这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
荧光灯用电激发水银蒸气。这会生成紫外线光而使得镀在灯管内壁上的磷涂层发光.
Fluorescent lights use electricity to excite mercury vapor. This produces ultraviolet light that causes a phosphor coating inside the bulb to glow.
地球上早期的生命形式被限制在海洋里，因为水是帮助它们抵御紫外线辐射的唯一有效保护。
Early life-forms on Earth were confined to the oceans because water was the only available protection they had against ultraviolet radiation.
来自印度的青少年Tenith Adithyaa利用紫外线使这些叶子保持新鲜一年。
Tenith Adithyaa, a teenager from India, used UV to make the leaves stay fresh for a year.
他们使用了紫外线和其他一些技术，如果你对这类东西感兴趣，你可以在艺术保护课上了解更多。
They've used ultraviolet light and some other techniques, and if you're interested in that sort of thing, you can learn more about it in an art conservation class.
由于大多数相机闪光灯在发出可见光同时就会发射出红外线，这一替换使得原型机能够发送并记录红外线。
Since most camera flashes emit IR along with their burst of visible light, the one substitution allowed the prototype to transmit and record infrared light.
在火星和我们太阳系的其他行星上没有氧气，这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
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