tetrafluoroethylene /,tetrә'fluәrә'eθili:n/ 📖 中文释义 四氟乙烯 📘 English Definition(英文释义) n a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins) ← tetrafluoroberyllate T 字母词表 tetrafluorohydrazine →