丙烯 bǐngxī propylene Definitions Defs Origin Strokes Stroke Words Sentences Sents 聚丙烯 jùbǐngxī polypropylene 丙烯酸 bǐngxīsuān acrylic acid acrylic acid C3H4O2丙烯酸酯 bǐngxīsuānzhǐ acrylate acrylic ester丙烯腈 bǐngxījīng acrylonitrile 丙烯醛 bǐngxīquán acrolein acrolein CH2CHCHO