单词	halocarbon
释义	halocarbon /ˌheɪləʊˈkɑːbən / noun Chemistry A CFC or other compound in which the hydrogen of a hydrocarbon is replaced by halogens.It should also be mentioned that other chemical substances have attacked the ozone layer including nitrous oxides from fertilisers, chlorine, carbon dioxide and bromine halocarbons.... Minor greenhouse gases include methane, nitrous oxide, sulfur hexafluoride and halocarbons such as perfluoromethane, freon and other CFCs. Countries signing the Montreal Protocol on Substances That Deplete the Ozone Layer have pledged to eliminate manufacture and use of halocarbons.
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