英语词汇“维生素原”的中英文读音、翻译、固定搭配用法、短语词组及例句-英汉汉英双解词典-四方网

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单词	维生素原
释义	〔provitamin〕A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene, for example, is a provitamin of vitamin A.维生素原：一种由身体通过正常新陈代谢过程，将其转化成活跃形式的维生素的前体，比如，胡萝卜素是维生素A的维生素原
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