甜甜的糖是很多小朋友的最爱,而且它还是人体不可或缺的营养物,是人体热能的主要来源。自然界中的瓜果、植物和蜂蜜中部含有糖分,我们远古的祖先就是从这些东西中获取身体所需的能量。那么,今天我们所吃到的糖又是怎么来的呢? Sweet candy is the favorite of many children, but it is also an indispensable nutrient of the human body, is the main source of human heat. The fruits, plants, and honey in nature contain sugars in the middle, and our ancestral ancestors acquired the energy they needed from them. So, what is the sugar we eat today?