乳是养育新生命最好的天然食物。西方人称牛奶是“人类的保姆”。除膳食纤维外,牛乳含有人体所需要的全部营养物质,是唯一的全营养食物,其营养价值之高,是其他食物无法比拟的。每100克牛奶中,含有脂肪3．1克、蛋白质2．9克、乳糖4．5克、矿物质0．7克、生理水88克。这些营养在我们的生命中都占有重要位置。牛奶中的脂肪营养价值非常高,其中的脂肪球颗粒很 Milk is the best natural food for nourishing new life. Westerners call milk “human nanny.” In addition to dietary fiber, milk contains all the nutrients the human body needs, is the only fully nutritious food, its high nutritional value, is unmatched by other foods. Every 100 grams of milk contains 3.1 grams of fat, 2.9 grams of protein, 4.5 grams of lactose, 0.7 grams of minerals and 88 grams of physiological water. These nutrients are important in our lives. The nutritional value of fat in milk is very high, of which the fat globules are very fine