| 单词 | CFC |
| 释义 | CFC (once / 47468 pages) n WORD FAMILY CFC: CFCS USAGE EXAMPLESThe Montreal protocol regarding CFC's was not adequately enforced and now HFC's have to be phased out. New York Times(Oct 16, 2016) Most manufacturers replaced CFC with HFCs—leading to a different, if related problem. Time(Oct 15, 2016) The ozone layer protects the earth from ultraviolet rays but was damaged by chlorofluorocarbon or CFC a compound used in aerosols and insulation foam. Time(Jul 01, 2016) n a fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans Syn|Hypo|Hyper chlorofluorocarbon HCFC, hydrochlorofluorocarbon a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere Freonany one or more chlorofluorocarbons (or related compounds) that are used as an aerosol propellant, organic solvent, or refrigerant pollutant waste matter that contaminates the water or air or soil fluorocarbona halocarbon in which some hydrogen atoms have been replaced by fluorine; used in refrigerators and aerosols greenhouse emission, greenhouse gasa gas that contributes to the greenhouse effect by absorbing infrared radiation |
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