A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, 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。
3
Tests have shown high levels of pollutants in the water.