fla.vin
n.（名词）
Any of various water-soluble yellow pigments, including riboflavin, found in plant and animal tissue as coenzymes of flavoprotein.
黄素：在动植物组织中以黄素蛋白的辅酶形式存在的几种水溶性颜料中的一种，包括核黄素
A ketone, C0H 'N 4O 2, that gives color to various natural yellow pigments.
核黄素：一种用于制作各种天然黄色颜料的酮，C0H 'N 4O 2
