，
The river appeared as if enveloped in smog.
那条河
像笼罩在烟雾之中。
雾The river appeared as if enveloped in smog.
那条河像笼罩在烟雾之中。
Los Angeles is notorious for its smog.
洛杉矶的烟雾是出了名的。
We were prevented by heavy smog from seeing anything.
浓雾使我们看不到任何东西。
The function of hydrocarbons and nitrogen oxides in photochemical smog formation and the formative process of ozone and peroxyacetyl nitrate are discussed.
介绍了氮氧物、碳
物在形成光学烟雾中的作用和臭氧、过氧乙酰硝酸酯产生的过程,并介绍了光学烟雾的形成机理。
Afterwards " fuliginous model " , " photochemical smog " after pollution, modern is being entered with " indoor air is polluted " the 3rd generation that is a mark pollutes period.
继“煤烟型”、“光学烟雾型”污染后，现代人正进入以“室内空气污染”为标志的第三代污染时期。
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