1·Liver and kidneys are particularly rich in vitamin A.
肝脏和肾脏尤其富含维生素A。
—— 《柯林斯英汉双解大词典》
2·There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
没有确凿证据表明摄入维生素A会导致先天缺陷。
—— 《柯林斯英汉双解大词典》
3·How much Vitamin A should they have?
他们应该摄入多少维生素A？
4·Vitamin A: Strengthens the immune system. Essential for mineral metabolism and endocrine function.
维生素A：维生素A能加强免疫系统和能帮助机体解毒，特别是对矿物质的新陈代谢和内分泌功能起重要作用。
5·They say that although carrots are rich in beta-carotene - a building block of flu-fighting vitamin a - sweet potatoes contain nearly twice as much.
专家们还说，虽然胡萝卜富含胡萝卜素——抗流感的维他命a的构成元素之一——红薯中的胡萝卜素含量约是它的两倍。
6·But although most people get enough calories, they still suffer huge deficiencies, especially in four nutrients: iron, zinc, iodine and vitamin a.
但是，尽管大多数人能获得足够的热量，他们仍然有很大的饮食不良，尤其是在四种营养素方面：铁，锌，碘和维生素a。
7·It contains good amounts of B Vitamins, Vitamin A, iron and riboflavin all which are essential nutrients for immunity, healthy skin, nerves and vision.
它也含有十分丰富的维生素B族，维生素A，铁和核黄素，这些都是影响免疫力，皮肤健康，神经和视力的基本营养素。
8·What They Do - They contain antioxidants such as Vitamin a, beta-carotene, Vitamin c, Vitamin e, selenium, zinc, copper and manganese, which are also!
作用——上述物质含有抗氧化剂，例如维生素a、胡萝卜素、维生素c、维生素e、硒、锌、铜和锰，同时它们也是具有抗压力的营养素。
9·Mangoes are also a great source of vitamin A. it's best to get this vitamin from food and not from supplements, though, since too much vitamin a can cause.
芒果中也含有丰富的维生素a。我们最好是从食物中摄取维生素，最好不要吃补充剂，因为过量的维生素a同样会导致健康问题。
10·An organisation called HarvestPlus recently introduced an orange sweet potato, containing more vitamin a than the native sort, in Uganda and Mozambique.
一家名为HarvestPlus的机构最近在乌干达和莫桑比克推介了一种橙色甘薯，这种甘薯含有的维生素a比当地的甘薯多。