A vitamin is an organic compound that is essential for the growth and health of an organism. They are typically not produced by the body and must be obtained from food.
维生素是一个有机化合物,对生物体的生长和健康是必不可少的。它们通常由生物体自身产生,需要从食物中获取。
Front | vitamin |
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Back | 维生素 |
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