糖的分类(c| assifications) Carbohydrates Oligosaccharide Monosaccharide Polysaccharide Disaccharide other Starch Cellulose other aldose ketose triose tetrose pentose hexose 醛糖酮糖丙糖丁糖戊糖己糖糖的分类（Classifications） Carbohydrates Oligosaccharide Monosaccharide Polysaccharide Disaccharide other Starch Cellulose other aldose ketose 醛糖 酮糖 triose tetrose pentose hexose 丙糖 丁糖 戊糖 己糖