Increased exposure to ultraviolet light is a risk factor.
过多地暴露于紫外线是一个危险因素。
These actually play a role in protecting skin from ultraviolet light.
事实上他们在保护皮肤免受紫外线上起作用了。
This is the energy of an ultraviolet photon, a "large" energy on the atomic scale.
这是一个紫外光子的能量，在原子尺度上，它是一个“大”能量。
As a result, every transplanted cell glowed under ultraviolet light and was easy to trace.
因此，每一个移植的细胞发光紫外线光下是很容易追查。
Time to take a look at today's ultraviolet index for the island.
根据时间来看看今天各岛屿的紫外线指数。
Insects can also see a color -ultraviolet -to which we are blind.
昆虫也可以看到我们看丌到癿紫外线。
Sunburn is literally a burn on your skin. It is a burn from ultraviolet radiation.
从字面意思理解，晒伤就是皮肤上的灼伤，是来源于紫外线辐射的灼伤。
Sunburn is literally a burn on your skin. It is a burn from ultraviolet radiation.
从字面意思理解，晒伤就是皮肤上的灼伤，是来源于紫外线辐射的灼伤。
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