smog
柯林斯詞典
1. N-VAR Smog is a mixture of fog and smoke which occurs in some busy industrial cities. 煙霧
Cars cause pollution, both smog and acid rain. 汽車引起污染，既有煙霧又有酸雨。
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smog /sm?ɡ/ (smogs)
劍橋詞典
- a mixture of smoke , gases , and chemicals , especially in cities , that makes the atmosphere difficult to breathe and harmful for health
（尤指城市中的）霧霾，煙霧
Smog is a major problem in Athens. 霧霾是雅典的一個主要問題。
As we flew into the airport , we could see a murky yellow smog hovering over the city . 我們飛進機場時，可以看到一層黃色的霧霾籠罩在城市上空。 返回 smog