Read Edit View history 酮基 tóngjī ketone group Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 酮基 · tóngjī · ketone group 2026/03/04 酮基 tóngjī ketone group ketone group 这个有机分子的核心是一个酮基。 noun created sense Mar 4, 2026, 02:25 AM