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新东方-柯林斯雅思备考词典
ultraviolet
英 [ˌʌltrəˈvaɪələt]
[ADJ]
1. 紫外的
Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful.
双语例句
例：The sun's ultraviolet rays are responsible for both tanning and burning.
阳光中的紫外线会使皮肤变黑和灼伤。