维生素是维持身体各种细胞功能的一种物质。虽然它所占比例很少,但作用却很大,倘若缺少了某些维生素,人体就会出现一些不良的症状。 缺乏维生素A 会使人体对疾病的抵抗力下降,出现皮肤粗糙、神经紧张、疲倦和眼痛等现象。可多食用胡萝卜、杏子、海藻、绿色蔬菜、谷物和农作物。也可从动物中获取维生素A,如肝脏、蛋黄、牛油等。 Vitamins are a substance that maintains the body’s cellular functions. Although it accounts for a small proportion, but the role is great, if the lack of certain vitamins, the human body there will be some adverse symptoms. Lack of vitamin A will make the body’s resistance to disease decreased, there rough skin, nervousness, tiredness and eye pain and so on. Eat more carrots, apricots, seaweed, green vegetables, grains and crops. Also available from animals, vitamin A, such as liver, egg yolk, butter and so on.