vitamin B complex

vitamin-b-complex的词性：
n.（名词）

1. A group of water-soluble vitamins including thiamine, riboflavin, niacin, pantothenic acid, biotin, pyridoxine, folic acid, inositol, and vitamin B₁₂ and occurring chiefly in yeast, liver, eggs, and some vegetables. Also called B complex
复合维生素B：包括硫胺素、核黄素、烟酸、汽酸、生物素、吡多酸、咔酸、肌醇和维生素B₁₂的一组水溶性维生素之一，主要存在于酵母、肝脏、蛋类和一些蔬菜 也作 B complex