vitamin
/ˈvɪtəmɪn; ?@ ˈvaɪt-; `vaɪtəmɪn/ n
any of a numberof organic substances which are present in certain foods and are essential to the health of humans and other animals 维生素
vitamin A, B, C, etc 维生素A、 B、 C等
Pork is rich in vitamin B1. 猪肉里含有丰富的维生素B1.
[attrib 作定语]
`vitamin pills 维生素丸
one's daily vitamin requirements 每日所需之维生素
Vitamin deficiency can cause illnesses, eg scurvy, rickets. 缺乏维生素能引起疾病（如坏血病、 佝偻病）.