求翻译：牛奶的营养成份很高，牛奶中的矿物质种类也非常丰富，除了我们所熟知的钙以外，磷、铁、锌、铜、锰、钼的含量都很多。最难得的是，牛奶是人体钙的最佳来源，而且钙磷比例非常适当，利于钙的吸收。种类复杂，至少有100多种，主要成份由水、脂肪、磷脂、蛋白质、乳糖、无机盐等组成是什么意思？

Nutritional composition of milk is high, kinds of minerals are also very rich in milk, in addition to that we used to know other than calcium, phosphorus, iron, zinc, copper, manganese, molybdenum contents are many. Most unusual is, milk is the best sources of calcium in the body, and the ratio of calcium and phosphorus is very appropriate, facilitate the absorption of calcium. Species complex, at least more than 100 species, mainly composed of water, protein, fat, lecithin, lactose, salt and other components