| 1. | All of the trucks raised a dust .
这些车辆卷起一团团烟尘。 |
| 2. | The air resounded with smoke and dust .
烟尘在空中浮荡。 |
| 3. | Many factories in the valley poured smoke into the air .
山谷内的许多工厂将大量烟尘排入空中。 |
| 4. | Joad plodded along, dragging his cloud of dust behind him .
约德一路踉踉呛呛地走着，身后拖着一片烟尘。 |
| 5. | The volcanoes threw millions of tons of ash and smoke into the air .
这些火山喷射出千百万吨灰烬和烟尘到大气中。 |
| 6. | It provided the motivation for controlling smoke and dust emission from industrial plant .
这为控制工厂企业散发的烟尘起了促进作用。 |
| 7. | Rays of sunlignt piercing between clouds are seen when the atmosphere is charged with colloidal dust particles .
当大气中存在胶体灰尘粒子时，人们可以看到穿过烟尘之间的太阳光。 |
| 8. | In this country there is about a twofold difference in mortality for areas of high atmospheric pollution compared with the smoke-free rural areas .
在这个国家，大气高度污染的地区与没有烟尘的乡村比，死亡大约有两倍的差异。 |
| 9. | A smoke detector detect the presence of smoke
烟尘探测器可探测是否存在烟雾。 |
| 10. | So these structures are literally smoke rings
所以这类结构可以说就是烟尘环。 |
