单词	butyrolactone
释义	butyrolactone noun bu·​tyr·​o·​lactone ¦byütə(ˌ)rō, -ərə + plural -s : a mobile liquid lactone C4H6O2 made usually by dehydrogenation of 1,4-butanediol and used chiefly as a solvent for resins (such as polymers of acrylonitrile) called also butanolide Word History Etymology butyr- + lactone
随便看	datelined datelines datelining datemark datemarked datemarking datemarks dater daters dates datil datiles dating dating agency dating bar dating nail garnetiferous garnets Garnett garnett wire garni garnierite garnierites garnish garnishable

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