常見例句As open-chain hydroxy aldehydes and hydroxyl ketenes, the monosaccharides are very reactive. 以開鏈的羥基醛和羥基酮形式 存在的單糖非?；顫姟?/li>Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization. 烯酮，特別是二甲基烯酮，很容易齊聚和聚郃。ketenn. 乙烯酮keten(e) 乙烯酮alkyl keten dimmer(AKD) AKD 返回 ketenes