noun 下载 🔗分享 碳水化合物, 糖类。 The unit structure of carbohydrates, of general formula CnH2nOn. Either the simple sugars or polymers such as starch and cellulose. The saccharides exist in either a ring or short chain conformation, and typically contain five or six carbon atoms. Examples : "Sentence: "Fruits are a good source of saccharides, providing us with energy from natural sugars." " 水果是糖类的重要来源,能为我们提供来自天然糖分的能量。 biochemistry chemistry compound substance biology food 与AI对话词汇游戏阅读练习