ketone groupˈki:təunɡru:p短语⁸⁴³²⁰⁺⁸ 基本英英例句 酮基 Noun: a group having the characteristic properties of ketones It was deduced from FTIR that the condensation reaction was caused by a reaction of ketone group with anhydride. 根据 FTIR测定结果,推测在反应中可能发生酮与酸酐的缩合反应。 cnki