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UVB

noun
/ˌjuː viː ˈbiː/
/ˌjuː viː ˈbiː/
[uncountable]
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  1. ultraviolet rays that are relatively short中波紫外线;紫外线 B 波段
    • UVB rays中波紫外线
    Oxford Collocations DictionaryUVB is used before these nouns:
    • radiation
    See full entry

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