英语词汇“violet ray”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	violet ray
释义	violet ray noun 1. : an ultraviolet ray — not used technically 2. : a high-frequency electric discharge from the outer surface of a one-electrode vacuum tube having violet-colored fluorescence and often used in therapeutic treatments
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