单词 | tetrafluoroethylene |
释义 | tetrafluoroethylene (once / 11819311 pages) n WORD FAMILY tetrafluoroethylene USAGE EXAMPLESThe new roof is comprised of 31 air-filled cushions, made from the polymer ethylene tetrafluoroethylene, which give a "bubble-wrap" effect. BBC(Apr 26, 2013) n a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins) Hyper fluorocarbon a halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols |
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