yǒu / xiē / wéi / shēng / sù / kě / róng / yú / shuǐ / bù / néng / zài / tǐ / nèi / cháng / qī / chǔ / cún有些维生素可溶于水,不能在体内长期储存。Some vitamins are soluble in water and cannot be stored in the body for a long time.