A special material on the surface receives UV light from the sun.
表面的一种特殊材料接收来自太阳的紫外线。
Under UV light, clean sand appears purple or black.
紫外线照射下，干净的沙子呈紫色或黑色。
As melanin encounters UV light, it turns brown.
黑色素遭遇到紫外光后变成褐色。
The best sunscreen offers protection from all UV light.
最好的防晒霜应该保护皮肤不受到所有紫外线的伤害。
Using UV light makes it faster, easier and more accurate.
利用紫外灯显然更快，更容易也更精准。
There are two types of UV light that can harm your skin - UVA and UVB.
太阳光线中有两种紫外线会对你的皮肤造成伤害，即uva和uvb。
You can get a painful burn on the front of your eye from the reflections of UV light.
当你的眼睛暴露在紫外线的照射下时，你会感到剧烈的疼痛。
To protect your eyes, wear sunglasses with a special coating that locks UV light.
戴镀有防紫外线膜的太阳镜来保护眼睛。
I wonder if there's some UV light out of this new lighting set up in our classroom here.
好的，我想知道这里,我们教室里的这套新的照明装置,是否有一些紫外光出来。
To protect your eyes, it is important to wear sunglasses that block out harmful UV light.
为了保护我们的眼睛，戴上太阳眼镜阻挡紫外线伤害是很重要的。
One product that disinfects water with UV light is called AquaStar, made by Meridian Design.
其中有种利用紫外线杀菌的产品叫做“水之星”，由子午线设计公司出品。
We know that UV light gets absorbed by glass, so it shouldn't be able to go through the glass.
我们知道紫外光会被玻璃吸收，所以它无法通过玻璃。
Melanin has an extremely important role- it absorbs UV light and dissipates the UV rays as heat.
黑素有着很重要的作用——它可以吸收紫外线，并可以像释放热量一样驱散紫外线。
Keep in mind that if you can easily see light through the cloth UV light can also get through to the skin.
时刻牢记如果你能透过布料看到光线，那么紫外线就能透过布料见到你。
Our work shows that a dedicated UV receptor allows skin cells to immediately detect and respond to UV light.
我们的研究工作显示，专门的紫外线感光物质能使皮肤细胞迅速甄别紫外光线并作出反应。
OK, so we've got UV light here, and let's see what we can see, and we lose electrons, if that's what's happening.
好了，我们已经有了紫外光源，让我们来看看能观察到什么，如果那些事情发生了，我们将会失去电子。
The sun's emissions of UV light are not uniform, so as it rotates UV-bright regions move in and out of view of Earth.
太阳所发出的紫外光是不统一的，所以由于太阳的自转地球所吸收的紫外光的数量也就不同。
The prototype camera model Fergus chose could already detect UV, but getting the camera to send UV light was a little trickier.
费格斯选取的模型机型号原本就能探测到紫外线，但是要使照相机能够发送紫外线就有点难办了。
In fact, the way that UV light reflects off the waxy outer layers of fruit helps birds determine whether fruit is ripe to eat.
事实上，紫外光线能反映水果外皮有助于鸟类判断果实是否成熟至可以食用。
This will mean that people can still damage their skin from UV light, as seemingly the swimsuit will not offer any type of cover to the skin.
这意味着人们的皮肤仍将受到紫外线的伤害，因为看起来泳衣不会为皮肤提供任何形式的保护。
The scientists validated previous hunches that UV light and sunlight are to blame for catalyzing chemical reactions of chrome yellow on canvas.
科学家们验证了先前的猜测，紫外线和日光对催化画布上的铬黄的化学反应要负很大的责任。
Weathering in summer, the UV light intensity and high temperature speed up the evaporation rate of oil, which is beneficial to weathering.
夏季风化时，高辐射强度的紫外线光照和高温加快溢油蒸发速率，有利于风化进行。
One of the established risk factors for melanoma is UV light, so both exposure to sun and exposure to tanning beds are probably risk factors.
黑色素瘤确定的危险因子之一是紫外线，所以暴露于日光或日光浴床很可能都是危险因素。
But Ruppy the Glowing Puppy, a cloned beagle that glows red under UV light, has gotten the lion's share of attention, largely because he's adorable.
但是，会发光的小狗拉比却引起了广泛的关注，这也许主要是因为它非常可爱。拉比是一只克隆的小猎犬，在紫外光下会发出红色的光。
According to graduate student Kirby, UV light could help cleanup crews pinpoint hard-to-see oil that might then be treated with oil-eating bacteria.
据研究生Kirby介绍，紫外线能帮助清洁团队找到难以用肉眼看到的微量油污，进而能用噬油细菌对其进行处理。
According to graduate student Kirby, UV light could help cleanup crews pinpoint hard-to-see oil that might then be treated with oil-eating bacteria.
据研究生Kirby介绍，紫外线能帮助清洁团队找到难以用肉眼看到的微量油污，进而能用噬油细菌对其进行处理。
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