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汉语拼音：wéi shēng sù

旧称维他命。维持机体正常生长和代谢机能所必需的微量有机化合物。人体组织一般不能自行合成，必须从食物中获得。现已知有二十余种。如维生素A、C、D、E、K、B1、B2、B6、B12、叶酸等。

1. 旧称维他命。人和动物生长、代谢所必需的微量有机化合物。对生物体的生长、发育、健康有极其重要的作用，一般由食物中摄取。目前已发现的维生素有数十种。许多维生素现已可提纯或人工合成制剂，可供防治维生素缺乏症之用。

• Butter, margarine, and oily fish are all good sources of vitamin D.

  黄油、人造黄油和多脂鱼都含有丰富的维生素D。

• You can buy a formulation containing royal jelly, pollen and vitamin C.

  可以买一种含蜂王浆、花粉和维生素C的配方产品。

• Liver and kidney are particularly rich in vitamin A.

  肝脏和肾脏富含维生素A。

• He was put on a high dosage of vitamin C.

  给他服了大剂量的维生素C。

• The odour of vitamin in skin is repugnant to insects.

  昆虫很讨厌皮肤内维生素的气味。

• Vitamins in solution are more affected than those in solid foods.

  溶液里的维生素比固体食物里的维生素受到的影响更大。

• You are asked to swallow a capsule containing vitamin B.

  你要服一粒维生素B胶囊。

• Milk, oily fish and egg all contain vitamin D.

  牛奶、油性鱼类和鸡蛋都含有维生素D.

• Large supplemental doses of vitamin E can slightly raise blood pressure.

  大剂量补充维生素E可能会造成血压偏高。

• Vitamin C increases the absorption of iron from food.

  维生素C促进食物中铁的吸收。

• This special form of vitamin D is naturally present in breast milk.

  这种特殊形态的维生素D天然存在于母乳中。

• To make sure the children are well-nourished, vitamin drops are usually recommended.

  为确保孩子充分摄取营养，通常推荐使用维生素滴剂。

• They did blood tests on him for signs of vitamin deficiency.

  他们给他验了血，以检查是否有维生素缺乏的迹象。

• Many people swear by vitamin C's ability to ward off colds.

  许多人深信维生素C能预防感冒。

• It has also been fortified with vitamin C.

  它还添加了维生素C。