disaccharides
Chemistry term referring to sugars composed of two monosaccharide units, such as sucrose, lactose, and maltose.
Sucrose is one of the typical disaccharides.
多糖類 refers to polysaccharides (complex carbohydrates), while 二糖類 refers to disaccharides (two sugar units).
Compound of 二 (two), 糖 (sugar), and 類 (category/class).