ultra violet light

基本解释

After 10 minutes the surplus material is washed away and any remaining deposit examined with ultra violet light.
10分钟后剩余的物质被冲洗掉，任何残留的沉淀物则会用紫外线进行检测。
The polygonal segments of the surface react to ultra-violet light, mapping the position and intensity of solar rays.
其表面的多角形组成部分对紫外光产生反应，映射太阳光线的方位和强度。
They are only visible when they are bathed in ultra-violet light and subjecting them to such constant bombardment would be not only impractical but harmful.
只有当这些壁画沐浴在紫外灯光下时，这些细节之处才得以可见，但将这些传世珍品一直置于紫外灯的狂轰乱炸之下不仅不现实，对壁画本身也有害。

The action of ultra-violet light from the sun on a molecule called 7-dehydrocholesterol, found in the skin, turns it into the vitamin.
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