environmental health
noun [ U ] uk/ɪn.vaɪ.rənˌmen.təl ˈhelθ/ us/ɪn.vaɪr.ənˌmen.t̬əl ˈhelθ/
环境卫生,环境健康
the activity of trying to prevent or protect against things that might harm people's health in the places where they work and live
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