维生素用英语怎样说及其作用

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维生素用英语怎样说及其作用维生素用英语怎样说及其作用维生素用英语怎样说及其作用vitaminanyofvariousorganicsubstancesthatareessentialinminuteq

维生素用英语怎样说及其作用
维生素用英语怎样说
及其作用

维生素用英语怎样说及其作用
vitamin
any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants,act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units,and are present in natural foodstuffs or sometimes produced within the body