;
The river appeared as if enveloped in smog.
那条河
像笼罩在烟
之中。
The river appeared as if enveloped in smog.
那条河像笼罩在烟之中。
Los Angeles is notorious for its smog.
洛杉矶
烟是出了名。
We were prevented by heavy smog from seeing anything.
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.
介绍了氮氧化物、碳氢化合物在形成光化学烟中作用和臭氧、过氧乙酰硝酸酯产生过程,并介绍了光化学烟形成机理。
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”、“光化学烟型”污染后，现代人正进入以“室内
污染”为标志第三代污染时期。
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