vit·a·min B
noun/ˌvɪtəmɪn ˈbiː/
/ˌvaɪtəmɪn ˈbiː/
[uncountable]- any one of a group of vitamins found in foods such as grains, meat and fish that are essential for the blood and the nervous system, and for processing the food we eat
谷物、肉类和鱼类等食物中发现的一组维生素中的任何一种，对血液和神经系统以及加工我们所吃的食物至关重要