| 1. | Smog is a mixture of smoke and fog .
烟雾是烟和雾的混合物。 |
| 2. | This smog would blanket the cities for days .
这些烟雾笼罩在城市上空，数日不散。 |
| 3. | The sky over the city was overspread with a heavy smog .
城市上空罩上了一层烟雾。 |
| 4. | Then, the sunlight will no longer be blacked out by smog .
太阳再也不会由于烟雾的遮蔽而变得暗淡无光了。 |
| 5. | Industry, it turned out, accounted for only ten percent of the smog in the city .
后来发现，工业污染仅占该市空气污染的10。 |
| 6. | When it was over, more than 4, 000 people had been killed by the thick black smog .
当烟雾消散时，有4，000多个市民死于这片浓黑的烟雾。 |
| 7. | " smog " is an unhealthy mixture of smoke and fog in the air of some industrial cities .
“烟雾”是在一些工业城市的空气中烟与雾的混合物，有害于健康。 |
| 8. | The term photochemical oxidants refers to the secondary pollutants formed in photochemical smog .
光化学氧化剂这一词是指在光化学烟雾中生成的次生污染物。 |
| 9. | The morning was a pleasant one, except for the smog that lay cupped, a thin, metallic soup, in the los angeles basin .
早晨是令人愉快的，虽然在洛杉矶盆地上罩着一重薄薄的混汤似的雾气。 |
| 10. | When the wind comes from the mountains, it blows the smog out over the ocean, and the air in los angeles is reasonable clear .
当风从山地方向刮来时，它把烟雾吹到太平洋面上，洛杉矶的空气自然地得到了净化。 |
