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| 单词 | smog |
| 释义 | smog (smŏg, smôg)n. 1. Fog that has become mixed and polluted with smoke. 2. A form of air pollution produced by the photochemical reaction of sunlight with hydrocarbons and nitrogen oxides that have been released into the atmosphere, especially by automotive emissions. [SM(OKE) + (F)OG1.] smoggy adj. smogless adj. |
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