propyl-ene

英[p'rɒpɪl'iːn] 美[p'rɒpɪl'iːn]
  • 丙烯
  • pro n.能手;行家;正面adj.专业的;赞成的adv.正面地prep.赞成
  • pro- 表示“居前,领先”之义
  • pro-actinium n.镤
  • pro-active adj.先发制人的;积极的〈心理〉前摄的.〈自控〉有前瞻性的;先行一步的.
  • pro-activeness 主动
名词 propylene:
  1. a flammable gas obtained by cracking petroleum; used in organic synthesis