Read Edit View history 甲胺 jiǎ'àn methylamine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 甲胺 · jiǎ'àn · methylamine 2026/03/04 甲胺 jiǎ'àn methylamine (chemistry) methylamine 甲胺是合成许多化学品的重要中间体。 noun created sense Mar 4, 2026, 02:25 AM