柯林斯詞典vitamin B complex 1. N a large group of water-soluble vitamins occurring esp in liver and yeast: includes thiamine, riboflavin, nicotinic acid, pyridoxine, pantothenic acid, biotin, choline, folic acid, and cyanocobalamin 複郃維生素B (Sometimes shortened to B complex) 返回 vitamin B complex劍橋詞典a group of vitamins that dissolve in water and are found in food B族維生素 返回 vitamin B complex