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.
日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。
2
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。
3
These pollutants are called aerosols and they include soot as well as compounds of nitrogen and sulfur and other stuff into the air.