Read Edit View history 无定形碳 wúdìngxíngtàn amorphous carbon Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 无定形碳/無定形碳 · wúdìngxíngtàn · amorphous carbon 2026/03/04 无定形碳 / 無定形碳 wúdìngxíngtàn amorphous carbon amorphous carbon 木炭和煤烟都是无定形碳。 created sense Mar 4, 2026, 02:25 AM