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单词 lactose
释义 lactose|ˈlæktəʊs|
[f. L. lact-, lac + -ose2. Cf. F. lactose.]
A saccharine substance present in milk, commonly called sugar of milk.
1858Fownes' Chem. (ed. 7) 410 Sugar of milk; lactin; lactose.1869Roscoe Elem. Chem. 369 Lactose, or milk sugar, occurs only in the milk of mammalia.
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