Read Edit View history 丙烯 bǐngxī propylene Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 丙烯 · bǐngxī · propylene 2026/03/04 丙烯 bǐngxī propylene propylene C3H6 丙烯是生产聚丙烯的主要原料。 noun created sense Mar 4, 2026, 02:25 AM