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passive smoking

noun
🔊/ˌpæsɪv ˈsməʊkɪŋ/
🔊/ˌpæsɪv ˈsməʊkɪŋ/
 [uncountable]
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  1. the act of breathing in smoke from other people’s cigarettes被动吸烟；吸二手烟Topics Social issuesc1