英语词汇pellagra-preventive factor怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pellagra-preventive factor
释义	Definition of pellagra-preventive factor in English: pellagra-preventive factor noun Medicine Either of the B-complex vitamins niacin and niacinamide; also called P-P factor. Origin 1920s; earliest use found in Public Health Report. Definition of pellagra-preventive factor in US English: pellagra-preventive factor noun Medicine Either of the B-complex vitamins niacin and niacinamide; also called P-P factor. Origin 1920s; earliest use found in Public Health Report.
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Definition of pellagra-preventive factor in English: