| 释义 | photochemical smog
 photochemical smogn. Air pollution produced by the action of sunlight on hydrocarbons, nitrogen oxides, and other pollutants.
 photochemical smog
 photochemical smog[¦fōd·ō′kem·ə·kəl ′smäg]  (meteorology) Chemical pollutants in the atmosphere resulting from chemical reactions involving hydrocarbons and nitrogen oxides in the presence of sunlight. ThesaurusSeesmog |