The ozone layer screens out dangerous rays from the sun.
臭氧层能遮挡住来自太阳的有害射线。
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。
This remarkable technology provides far greater clarity than conventional x-rays.
这一非凡技术提供了比传统的X光要高得多的清晰度。
X-rays are used by doctors to save lives.
医生用X射线来拯救生命。
The wings of a crow cannot shut out the rays of the sun.
乌鸦的翅膀挡不住太阳的光辉。
Supernovas in the Milky Way are the likeliest source for most of the cosmic rays reaching Earth.
银河系中的超新星最有可能是大多数宇宙射线到达地球的来源。
The sun was beginning to set and sending deep gold-colored rays slanting under the trees when they parted.
太阳开始落山了，金色的光芒斜射进树底。两人就在这时分别了。
The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.
从可见光扩展到无线电波，再到X 射线和伽马射线，天文学总是会发现不寻常的物体，如射电星系、类星体和脉冲星。
Such a unique view can only occur during those few seconds where the existing moonlight balances with the almost unseen first rays of sunlight.
这种独特的景象只出现在那几秒之内，在那几秒内，原有的月光和几乎看不见的第一缕阳光相平衡。
For the Saharan silver ant, crawling from their underground nests into the sun's brutal rays to hunt for food, this is the perfect time to seek lunch.
对于从地下的巢穴中爬到炙热的阳光下猎食的撒哈拉银蚁来说，这是寻找午餐的最佳时间。
Children should have glasses which filter out UV rays.
孩子们应该佩戴可以滤除紫外线的眼镜。
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。
The windows were shining in the reflected rays of the setting sun.
窗户上闪耀着落日的余晖。
The frog told her to hold out her fishing net to the sun's rays and he would sing a magic song.
青蛙告诉她把渔网伸到阳光下，他就会唱一首神奇的歌。
In one of its rooms, you can also have a chance to know how X-rays let you see inside your body.
在其中一个房间里，你还可以有机会了解 X 光是如何让你看到身体内部的。
The moon's rays tinged the mountains silver.
月光把山脉染成了银白色。
The slanting rays of the sun aureoled the television tower.
斜射的阳光以光轮环抱电视塔。
The rays are diffuse, but the specks of light are unmistakable.
虽然光线是漫射开来的，那一点点光亮的存在却是确凿无误的。
The ozone layer blocks some harmful rays which the sun gives off.
臭氧层阻隔了太阳发出的一些有害射线。
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。
It was bright in the sun, the rays reflecting brilliantly off the sand.
那时阳光很明媚，光线折射在沙滩上，很耀眼。
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。
UV rays not only cause more spots but also darken those you already have.
紫外线不光会引发更多的斑点，而且会让你皮肤上已经有的斑点变得更深。
This process protects our DNA from the damage that can be imparted by UV rays.
这样的一个过程可以保护我们的DNA免遭紫外线所带来的伤害。
If you focus the sun's rays on dry wood with a burning-glass, it will start burning.
如果你用取火镜使太阳光线聚焦在干木头上，木头就会燃烧起来。
Setting sun rays, reflected the rosy clouds, meet the breeze, toward the horizon.
落日余辉，映着彩霞，迎着微风，向着天际。
Setting sun rays, reflected the rosy clouds, meet the breeze, toward the horizon.
落日余辉，映着彩霞，迎着微风，向着天际。
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