a flammable gas obtained by cracking petroleum; used in organic synthesis
同义词：propene
propylene详细解释
pro.pyl.ene n.（名词）A flammable gas, CH3CH:CH 2, derived from petroleum hydrocarbon cracking and used in organic synthesis. Also called propene 丙烯：一种易燃气体，化学式为CH3CH:CH 2，提炼于石油的碳氢化合物裂化蒸馏，用于有机合成 也作 propene
