城市环境恶化 meaning in English

urban environmental decay

At the same time , the construction of urban infrastructure , such as water supply , power supply , public traffic and sewerage , increases fast . urban infrastructure is the premise of urban economy , but the increase of urban infrastructure can ’ t still satisfy the fast exploding of the urban population that deteriorates the urban entironment
同时,城市基础设施如供水、供电、道路交通、污水处理、固体废弃物处置场等的建设也得到了迅速增长,但其发展仍远低于城市化人口的增长速度,使得已建成的基础设施被过度使用、其边际产出效率急剧降低,造成城市环境恶化。
Because of the rapid development of urban economy and the agglomerative the which is higher than that of general cities , big cities are developing at a surprising speed and their scale and number are increasing rapidly the development of big cities also leads to a series of urban illness such as the deteriorative residential condition , traffic congestion and urban environment aggravation , so researching urban structure pattem - is an important subject of modern urban planning
由于城市经济的高速发展和具有比一般城市更高的“集聚效应” ，大城市以空前的速度迅速发展，城市的数量和规模急剧增长。但是，大城市的高速发展也导致了诸如居住条件恶劣、交通拥挤、城市环境恶化等一系列“城市病”的产生。