Use a sun block that filters UVA effectively.

使用能有效滤掉紫外线的防晒霜。

Tanning parlors emit UVA rays far more intense ly.

人工美黑仪发出的长波紫外线要强烈得多。

Punta Uva is a small town on the coast of Costa Rica.

曼萨尼约是哥斯达黎加海岸边的一个小镇。

They should block 99-100% of the UVA and UVB radiation.

太阳镜应该阻挡99 - 100%的紫外线或的辐射。

Jim Smith is a UVA engineering professor. He leads the project.

吉姆·斯密斯是弗吉尼亚大学一名机械学教授，他是该项目的负责人。

Many sunscreens especially fall down when it comes to UVA protection.

很多防晒霜在UVA防护上根本不起作用。

The most effective sunscreens protect against both UVA and UVB rays.

最有效的防晒霜既能防护紫外线A也能防护紫外线B。

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。

Always wear a hat and sunglasses that have UVA and UVB filters when in the sun.

总是戴帽子和墨镜，有紫外线a和紫外线B过滤器时，在阳光下。

You need to protect against both UVA which are ageing and UVB which are burning.

您需要防止两种紫外线是老化和UVB这是燃烧。

They should use sunscreen for protection from UVA and UVB forms of ultraviolet light.

他们应该利用从紫外线A和紫外线紫外线的形式保护皮肤。

And after making the UVa grads laugh, Colbert showed his serious side to inspire them.

在弗吉尼亚大学毕业生的阵阵笑声后，科尔·波特则表现出了严肃的一面来激励他们。

As noted by the IARC report, UVA light is also a class I carcinogen and should be avoided.

正如IARC报告中所称的一样，UVA也是I类诱癌因素，应当避免暴露。

It's a different kind of tan because it high amounts of UVA, which darkens the skin quickly.

这是一个不同类型的棕褐色，因为它的紫外线，而皮肤迅速变暗高数额的。

Make sure your glasses have both UVA and UVB protection and that they block light from the top and sides.

你的眼镜要能防uva还能防uvb，眼镜的上面及两边都不能透光哦。

Check the ingredient list for zinc oxide or titanium dioxide; both physically block UVA and UVB rays.

注意成分表中是否含有氧化锌或二氧化钛，这两者都能阻挡紫外线A和B。

Many sun protection products already use ascorbic acid to counter the harmful effects of UVA exposure.

许多防晒产品中都用抗坏血酸来对抗在太阳晒后产生的伤害。

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。

Skin solution: Even in winter, slip on sunglasses with UVA/UVB protection – look for "UV coated" on the label.

皮肤保养**：即使在冬天，也要戴着双重紫外线保护的墨镜，购买时要注意标签上是否有紫外线涂层标志。

However, you may reduce your chance of getting a cataract by wearing sunglasses that keep out UVA and UVB rays.

不过，您可能会减少您的机会获得一白内障身穿墨镜保持了紫外线a和紫外线B射线。

Just because you don't feel the sun's rays, doesn't mean its harmful UVA and UVB rays are not penetrating your skin.

就因为你感觉不到阳光，并不意味着有害的紫外线a和紫外线B不会渗透到你的皮肤中。

The author also simply introduced relative regulations and evaluation methods for UVA protection efficacy in the world.

同时简单介绍了国内外有关UVA防护的评价方法以及法规管理现状。

Objective To explore the influence factors and experimental conditions of phototoxicity test using pure UVA light source.

目的探讨采用单纯紫外线A（UVA）为照射光源的光毒性试验的影响因素及试验条件。

Experiment results indicate that UVA induced lipid oxidative damage has a positive relationship with 1o2 and O-2 · level.

结果表明UVA照射后1o2和O2 -。的水平与由此引发的脂质过氧化损伤存在正相关关系。

He suggests choosing a broad-spectrum sunscreen, which blocks both types of UV rays, UVA and UVB, with an SPF of at least 30.

选择一款能够阻挡UVA和UVB两种射线的广谱防晒产品吧，切记SPF值要至少达到30以上。

Glass does block out the sun's UVB rays, but about 50 percent of UVA rays, associated with burning and aging, do get through.

尽管玻璃可以阻挡阳光紫外线照射，可仅仅能阻止50%，剩下的依然可以穿透玻璃使皮肤老化。

Since UVA rays penetrate glass and clouds, use sunscreen even when it's cloudy or you're indoors but in rooms with lots of Windows.

由于UVA光线可以透过玻璃和云彩，因此即使在阴天或者在有很多窗户的室内也要用防晒霜。

UVA rays can penetrate deeply into your skin and suppress your immune system. This increases the risk of wrinkling and age spots.

UVA能穿透你的皮肤，使免疫系统的功能下降，这就增加了长皱纹和老年斑的危险。