All carbohydrates originate from plants.

所有的碳水化合物均来源于植物。

You should cut down on fats and carbohydrates.

你应该减少摄入脂肪和碳水化合物。

Unrefined carbohydrates include brown rice and other grains.

未加工的碳水化合物包括糙米以及其他谷类。

The polysaccharides are the complex carbohydrates, including starch, glycogen, and cellulose.

多糖是复杂的碳水化合物，包括淀粉、糖原和纤维素。

Around one-third of our meals should be based on carbohydrates, with roughly one half of these grains being whole.

我们的食物中差不多有三分之一是碳水化合物，大概有一半谷物食品为全麦的。