| 1. | " 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。 |
| 2. | Fog in such supersensitized emulsions, which are prone to enamine dye-produced fog, can be reduced by employing an azaindene in the emulsion .
这些超增感乳剂中的灰雾，可能是由形成的烯胺染料引起的，并且这种灰雾，可采用向乳剂中加入氮茚来降低。 |
| 3. | Control and harm of the fog in the fine of high tower
高层建筑火灾中烟雾的危害及控制 |
| 4. | I generated a waterfall and the fog in a similar way
用同样的方法我也做了一个瀑布和雾气。 |
| 5. | London used to have bad fogs in winter
伦敦过去在冬季常有浓雾。 |
| 6. | There is very little fog in this area
这个地区很少有雾 |
| 7. | There were a lot of fog in the mountains , and it was very cold there
在山上有很多的雾气，而且那边很冷。 |
