他的观点是，在某种程度上二者均由运输物质的网络构成——公路，铁路，水路以及煤气管，污水管还有电缆线都在输送物质，动物血管和植物运输汁液的木质部、韧皮部也是如此。
Roads, railways, water and gas mains, sewage pipes and electricity cables all move things around. So do the blood vessels of animals and the sap-carrying xylem and phloem of plants.
根据世界野生动物基金会(WWF) 2007年的世界10大处境危险河流的报道，河水已经被污水和工业废水严重污染。
The river is also heavily polluted by sewage and industrial runoff according to the World Wildlife Fund's (WWF) 2007 report World's Top 10 Rivers at Risk.
土壤渗滤法是一种充分利用土壤中的动物、植物、微生物以及土壤的物理、化学特性的污水就地处理技术。
Soil Infiltration treatment (sit) is a kind of in-situ wastewater treatment technique, making full use of animals, plants, microorganisms in soil and the physicochemical characteristics of soil.
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