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smoke-free

adjective
🔊/ˌsməʊk ˈfriː/
🔊/ˌsməʊk ˈfriː/
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  1. free from cigarette smoke; where smoking is not allowed无人吸烟的；禁止吸烟的
    • a smoke-free working environment无烟工作环境
    Oxford Collocations DictionarySmoke-free is used with these nouns:
    • zone
    See full entry