英语词汇“black selenium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	black selenium
释义	black selenium Chem. an allotropic form of selenium occurring as a black, amorphous, water-insoluble, light-sensitive powder: used chiefly in photoelectric cells.
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