noun 下载 🔗分享 二糖,双糖。 Any sugar, such as sucrose, maltose and lactose, consisting of two monosaccharides combined together. Examples : "Lactose, the sugar found in milk, is a disaccharide made of the monosaccharides glucose and galactose. " 乳糖,也就是牛奶中的糖分,是一种二糖,它由葡萄糖和半乳糖这两种单糖组成。 chemistry food biology biochemistry substance 与AI对话词汇游戏阅读练习