| 1. | On the plus side, wind dilutes and scatters air pollutants, and carries pollen .
从好处来说，风能稀释和驱散空气中的污染物质，传播花粉。 |
| 2. | Some of the most dangerous pollutants are being removed from the air in american cities
几种最危害性的污染物质正从美国城市上空消失。 |
| 3. | There ' s so much pollution in the air here that it ' s becoming dangerous to breathe
这里的空气中有大量的污染物质，以致呼吸都变得很危险。 |
| 4. | They also could identify what activities and behaviors lead to the highest exposures
而且，他们还能鉴定出何种活动及行为会导致人们接触到数量最多的污染物质。 |
| 5. | Yet averages between cities have served as the main measure of the long - term effects of pollutants
而城市间的平均水平已成为衡量污染物质的长期影响的主要手段。 |
| 6. | So the result of evaluation will be more accurate . 2 . 3 studies on using powerful functions o
凡是能造成水色差异的污染物质，都能在水体的光谱亮值上反应出来。 |
| 7. | By 2010 , beijing wants to reduce energy consumption by 20 percent and cut key pollutants by 10 percent
到2010 ，北京希望将能耗降低20 % ，将主要污染物质排放量降低10 % 。 |
| 8. | More water contaminants are released into the air of a home from the shower than from any other source
很多水中的污染物质在淋浴时比其他来源方式更多地被释放在家庭空气中。 |
| 9. | Cascad closes over the contaminants , thereby eliminating outgassing and associated downwind hazards
Cascad会包围污染物质，使污染物质不会?漏，于是就不至于造成下风处的灾害了。 |
| 10. | China ' s environmental authority hopes to go to the root of the problem by calling for reducing emissions of pollutants
中国环保总局希望从根本上解决问题，提倡减少污染物质排放量。 |
