Read Edit View history 烟酰胺 yānxiān'àn nicotinamide Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 烟酰胺/菸酰胺 · yānxiān'àn · nicotinamide 2026/03/04 烟酰胺 / 菸酰胺 yānxiān'àn nicotinamide nicotinamide; niacinamide 烟酰胺是一种常用的美白成分。 noun created sense Mar 4, 2026, 02:25 AM