Disaccharides, where you have several sugars paired together, are maltose, sucrose, and lactose; and then you can see to the right of the sugars themselves which things are paired in this case.

二糖,即两种单糖结合而成的,包括麦芽糖,蔗糖,以及乳糖,你们可以看到这些二糖本身是由右边的,单糖两两相结合而得到

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选