is煙霧........ http://hk.dictionary.yahoo.com/search.html?q=1&s= smog 2006-11-28 11:04:32 補充： 煙霧(=smoke and fog)[U]Black smog reduced visibility to about fifty yards.黑色的煙霧使能見度降到大約五十碼左右。
1. Church 教堂 2. Fog 霧 Smog is a kind of air pollution — the name is a portmanteau of smoke and fog...
... CO (carbon monoxide) -Incomplete combustion of carbon in fuel - Smog SO2 (sulphur dioxide) -Combustion of sulphur in...
... is local street-level pollution. The other is the regional smog problem. Diesel vehicles are the main source of street-level pollution...
...two broad heading air pollution question; Roadside air pollution and regional smog question. The roadside air pollution mainly comes from the diesel oil ...
...make you feel sleepy or give you a headache. Nitrous oxides also cause smog . Exhaust fumes Lead is sometimes added to petrol...
...參考：http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Beijing_ smog _comparison_August_2005.png/300px-Beijing_ smog _comparison_August...