Read Edit View history 丁内酯 dīngnèizhǐ butyrolactone Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 丁内酯/ 丁內酯 dīngnèizhǐ butyrolactone noun 丁内酯是一种常用的工业溶剂。 Edit Delete References Add reference No references for this word.