ultraviolet [ˌʌltrəˈvaɪələt]

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单词级别

第6级

基本释义

adj.紫外线的；n.紫外线

英英释义

describes light that has a wavelength which is after the violet (= light purple ) end of the range of colours that can be seen by humans . Light of this type causes the skin to become darker in the sun .

参考例句

It's called ultraviolet rays. 它被叫做紫外线。
The sun's ultraviolet rays are responsible for both tanning and burning. 阳光中的紫外线是皮肤晒黑和灼伤的根源。

ultraviolet [ˌʌltrəˈvaɪələt]

单词级别

基本释义

英英释义

参考例句

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