methyl amyl ketonemethyl-n-amyl ketone庚酮: heptanone庚酮: heptanone◇庚酮糖 [生物化学] ketoheptose; heptulose4-庚酮: dipropyl ketone; dpk二庚酮: heptanon芳庚酮: tropone下载手机词典可随时随地查词查翻译