smog 高考四级六级考研GMAT

1.Los Angeles is notorious for its smog.

洛杉矶烟雾是出了名。

2.The river appeared as if enveloped in smog.

那条河好像笼罩在烟雾之中。

3.We were prevented by heavy smog from seeing anything.

浓雾使我们看不到任何东西。

4.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、碳氢化合物在成光化学烟雾中作用和臭氧、过氧乙酰硝生过程,并介绍了光化学烟雾成机理。

5.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”、“光化学烟雾型”污染后，现代人正进入以“室内空气污染”为标志第三代污染时期。