propylene /'prәupili:n/ 📖 中文释义 n. 丙二醇[化] 丙烯 🔗 释义中的汉语词丙烯 📘 English Definition(英文释义) n. a flammable gas obtained by cracking petroleum; used in organic synthesis ← propyldioctylamine P 字母词表 propylene bromide →