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单词 freon
释义

Definition of freon in English:

freon

nounˈfriːɒn
mass nountrademark
  • An aerosol propellant, refrigerant, or organic solvent consisting of one or more of a group of chlorofluorocarbons and related compounds.

    〈商标〉氟利昂(一种推进剂、制冷剂或有机溶剂)

    Example sentencesExamples
    • Rotten food and harmful gases like freon have to be removed from this debris.
    • As a result, the sites contain hazardous materials ranging from old fridges containing freon, which scientists say depletes the ozone layer, to old propane tanks.
    • Earlier over lunch I had been three pages into a biography of the man who invented Freon when the article suddenly made no sense at all - instead of freon, it was now discussing Medieval paint technology.
    • Mechanical contractors, through various unions, are providing free services to remove freon from flood-damaged appliances before they are taken to landfills.
    • The foundry, now in its fifth year, is one of several successful recycling ventures launched by McDonald; the group also recycles appliances, donated cars and trucks, freon and propane, and clothing, fabrics and books.

Origin

1930s: of unknown origin.

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更新时间:2025/1/13 21:03:45