Now, lactose is a dye saccharide sugar, meaning it's composed of two simple sugar building blocks, glucose and galactose.

乳是一种染料，这意味着它由两个简单组成，葡萄和半乳。

It also can use a whole range of sugars, saccharides, and proteins to grow, which allows us to use waste resources very efficiently.

它还可以利用各种、类和蛋白质来生长，这使我们能够非常有效地利用废物资源。