| 单词 | 乳糖 |
| 释义 | 〔sugar〕Any of a class of water-soluble crystalline carbohydrates, including sucrose and lactose, having a characteristically sweet taste and classified as monosaccharides, disaccharides, and trisaccharides.糖类：任何一种水溶性的结晶糖，包括蔗糖和乳糖，味甜，可分类为单糖、二糖和三糖〔milk〕A whitish liquid containing proteins, fats, lactose, and various vitamins and minerals that is produced by the mammary glands of all mature female mammals after they have given birth and serves as nourishment for their young.奶，乳：一种白色液体，含有蛋白质、脂肪、乳糖和多种维生素和矿物质，所有成年雌性哺乳动物在生产后其乳腺会分泌出该液体，用来哺育其幼儿〔galactose〕A monosaccharide, CH2OH(CHOH) 4CHO, commonly occurring in lactose and in certain pectins, gums, and mucilages. 半乳糖：一种单糖，CH2OH(CHOH) 4CHO，一般产生于乳糖及特定的果酸、树胶及胶质物中 〔disaccharide〕Any of a class of carbohydrates, including lactose and sucrose, that yield two monosaccharides upon hydrolysis.双糖：碳水化合物的一种，包括乳糖和蔗糖，在水解下可生成两个单糖〔lactose〕A disaccharide, C12H 22O 11, found in milk, that may be hydrolyzed to yield glucose and galactose. 乳糖：一种双糖，分子式为，它存在于牛奶中C12H 22O 11，在水中水解时产生葡萄糖或蔗糖 〔lactase〕An enzyme occurring in certain yeasts and in the intestinal juices of mammals that is capable of splitting lactose into glucose and galactose.乳糖酶：一种能将乳糖分解成葡萄糖和半乳糖的酶，它存在于某些酵母或哺乳动物的体液中〔lactose〕A white crystalline substance obtained from whey and used in infant foods, bakery products, confections, and pharmaceuticals as a diluent and excipient. Also called milk sugar 乳糖：一种从乳清中提炼出的白色结晶物质，用作婴儿食物、面类制品、糖果和药的稀释剂和赋形剂 也作 milk sugar |
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