| 释义 | 
		Definition of lactose in English: lactosenounˈlaktəʊsˈlaktəʊz mass nounChemistry A sugar present in milk. It is a disaccharide containing glucose and galactose units.  Example sentencesExamples -  The enzyme lactase breaks down the lactose to galactose and glucose.
 -  Some babies are unable to digest the sugar lactose, which is in cow's milk formulas.
 -  Soymilk does not contain lactose (milk sugar) and can be drunk by those who are allergic to normal milk.
 -  Some individuals may lose the ability to digest lactose and become lactose intolerant.
 -  The common sugars that form part of the diet are sucrose, lactose (milk sugar), and maltose.
 
    Definition of lactose in US English: lactosenoun Chemistry A sugar present in milk. It is a disaccharide containing glucose and galactose units.  Example sentencesExamples -  Some individuals may lose the ability to digest lactose and become lactose intolerant.
 -  The common sugars that form part of the diet are sucrose, lactose (milk sugar), and maltose.
 -  Some babies are unable to digest the sugar lactose, which is in cow's milk formulas.
 -  Soymilk does not contain lactose (milk sugar) and can be drunk by those who are allergic to normal milk.
 -  The enzyme lactase breaks down the lactose to galactose and glucose.
 
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