Smog is a mixture of fog and smoke which occurs in some busy industrial cities. 烟雾
noun [专属名词] （通常指城市中汽车、工厂等排出的）烟雾，雾霾
Cars cause pollution, both smog and acid rain. 汽车引起污染，既有烟雾又有酸雨。
smoke + fog
- 网友用 “Smog” 造句精选
- Under the cover of the smog, He snatched the pot on the sly. 在烟雾的掩护下，他偷偷地拿走了那只壶。
- The sky over the city was overspread with heavy smog. 城市上空罩上了一层浓重的烟雾。