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单词 menaquinone
释义 menaquinone/menəˈkwinəʊn/n. one of the K vitamins, produced by bacteria found in the large intestine and essential for the blood-clotting process Also called 亦称作 vitamin K2 维生素 K2 ;甲基荼醌类[chemical name methyl-naphthoquinone]
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