- since the 1940s, southern California has had a reputation for smog.
2018年6月四級(jí)真題（第二套）閱讀 Section A
- A few hours before, I'd been at home in Hong gonk, with its choking smog.
2015年高考英語(yǔ)全國(guó)卷1 語(yǔ)法填空 原文
- If the air you're breathing is clean—which it would be if you're away from the smog of cities—then the air is filled with life-giving, energizing oxygen.
2019年高考英語(yǔ)全國(guó)卷I 閱讀理解 七選五 原文