ultraviolet

/ˌəltrəˈvaɪəlɪt/

radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays

中文释义：紫外线

Ultraviolet radiation from the sun can damage the skin over time.

来自太阳的紫外线长期会损伤皮肤。

Scientists use ultraviolet light to sterilize laboratory equipment.

科学家使用紫外线对实验室设备进行消毒。