These are prime hours for exposure to skin-damaging ultraviolet (UV) radiation from the sun, even on overcast days.

这段时间是皮肤受到太阳紫外线照射伤害的主要时段，即使是阴天也是如此。

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Overexposure to ultraviolet ( UV) radiation, such as from sunlight, tanning booths, or sunlamps.

过度暴露于紫外线（UV）辐射下，如阳光，晒黑机，或日光灯。

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ERRC has also investigated ultraviolet (UV) light and irradiation technologies as alternatives or complements to thermal processing.

ERRC还调研了紫外线(UV)和辐射技术作为热处理技术的替代或补充手段。

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Orb-weaver spiders attract insects to their webs with ultraviolet (UV) decorations, according to a new study.

BBC: Quiz of the week's news

The idea that ultraviolet (UV) rays can inactivate viruses is not new, but this is the first time that such firm conclusions have been made in connection with the varicella-zoster virus, the herpes virus responsible for chickenpox and shingles.

FORBES: Sun's UV Rays May Prevent Chickenpox

The result is a material that is not only waterproof but is able to block out UV radiation from the sun to such an extent that it would rate a Ultraviolet Protection Factor (UPF) of 101.15 if the chart went that high.

FORBES: Chinese Researchers Develop Waterproof Cotton