美 [ˌʌltrəˈvaɪələt ˈreɪz]
紫外线：一种电磁辐射，波长较短，能量较高，对人体和物体有一定的影响。紫外线分为UVA、UVB和UVC三种类型。
紫外线-引用次数：6
Thissubstance is thermostable(125 30min) and resists to Ultraviolet rays, Proteinase K and RNase. But it is partially sensitive to pepsin, Trypsin and chloroform.
粗提拮抗物质能耐125℃的高温(高压30min)：它对蛋白酶K、RNase酶及紫外线基本稳定，对胃蛋白酶、胰蛋白酶、氯仿部分敏感；作用活性pH值范围为6.0-8.0。
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[光]紫外线
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。
The sun's ultraviolet rays are responsible for both tanning and burning.
太阳的紫外线是皮肤晒黑和晒伤的原因。
Heat, too, makes our environments tolerable and some ultraviolet rays penetrate the atmosphere.
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。
Ultraviolet,also called U-V,rays cause the skin to burn.
VOA : special.2010.07.06
"She's" sticking to a fairly predictable road with pink stitching in the seats, pink tweaks in the dashboard and a windshield that the company says blocks more ultraviolet rays.
"The ultraviolet rays from indoor tanning are generally stronger than the summer sun at noon, " said Dawn Holman, a behavioral scientist who works in the CDC's Division of Cancer Prevention and Control.
It acts as a sunlight filter, shielding life on Earth from harmful ultraviolet rays that put humans at greater risk of skin cancer and cataracts and harm marine life, the agency said.