lactoseWiktionary 原文中文来自 ECDICTn.乳糖构词拆分lac词根/词干拉丁语“milk”+-ose后缀Full of; affected by. · Having or characterized by the presence of.演变路径（由近及远）英语借自 ←法语 lactose词源说明Borrowed from French lactose, from Latin lac (“milk”) + -ose (derivation of glucose). Coined by French chemist Marcelin Berthelot. Piecewise doublet of galactose.释义（英文）名词 Noun(biochemistry) The disaccharide sugar of milk and dairy products, C12H22O11, a product of glucose and galactose used as a food and in medicinal compounds.词族派生词（11）allolactoselactardlactosaminelactosidelactosurialactoseamine