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单词 halon
释义

halon/ʹhaylon/ noun

any of several bromine-based chemical compounds, e.g. bromochlorodifluoromethane, that were formerly widely used in fire extinguishers but are now banned because they cause damage to the ozone layer when released into the atmosphere

[halogen + -on3]
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更新时间:2024/9/22 13:29:36