Read Edit View history 丁基 dīngjī butyl Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 丁基 · dīngjī · butyl 2026/03/04 丁基 dīngjī butyl (chemistry) butyl group 丁基橡胶常用于生产轮胎。 noun created sense Mar 4, 2026, 02:25 AM