Our air quality now suffers from the effects of pollutants emitted directly from our cars.
我们的空气质量现在受到了汽车直接排放的污染物的影响。
2
These pollutants are called aerosols and they include soot as well as compounds of nitrogen and sulfur and other stuff into the air.
这些污染物被称为气溶胶，它们包括煤烟以及空气中氮、硫和其他物质的混合物。
3
A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, airpollutants, energy, and materials that have been transformed in some way.