名词

1. 碳水化合物;糖类;含碳水化合物的食物
Carbohydrates are substances, found in certain kinds of food, that provide you with energy. Foods such as sugar and bread that contain these substances can also be referred to as carbohydrates .

1. an essential structural component of living cells and source of energy for animals
includes simple sugars with small molecules as well as macromolecular substances
are classified according to the number of monosaccharide groups they contain

Synonym: saccharidesugar