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单词	pentanedione
释义	pentanedione noun pen·​tane·​dione ˌpen‧ˌtānˈdīˌōn plural -s : a diketone derived from normal pentane especially : acetylacetone Word History Etymology pentane + -dione
随便看	kookaburra kookaburras kooked kookie kookier kookiest kookiness kookinesses kooking kooks kooky koolahs Koolau Range kooletah Koolhaas kooliman koolokamba koombar koomkie koonkie koorajong koorhaan koories koorka kootch

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