英语翻译Presently,the world is faced with serious water problems

英语翻译
Presently,the world is faced with serious water problems.But these problems witt become more intense and more complex in the future.Our increasing population witt tremendously increase urban waters,primarily sewage.On the other hand,increasing demands for water witt decrease substantially the amount of water available for diluting wastes.Rapidly expanding industries which involve more and more complex chemical processes will produce large volumes of liquid wastes.Many of thesewitt contain chemicals that are poisonous.To feed our rapidly expanding population,agriculture will have to be intensified.This will involve ever increasing quantities of agriculture chemicals.From this,it is apparent that drastic steps must be taken immediately to develop corrective measures for the pollution problems.
There are two ways by which these pollution problems can be lessened.The first relates to the treatment of wastes to decrease their pollution hazard.This involves the processing of solid wastes "prior to" disposal and the treatment of liquid wastes to permit the reuse to the water or best reduce pollution upon final disposal.The second approach is to develop an economic use for all or part of the wastes.Farm manure is spread in fields as a nutrient.Wastes from sewage disposal plants are used in some areas both for irrigation and for the nutrients contained.Liquid wastes from other processing plants may also be used as a supplemental source of water.Only by doing these promptly now can we expect to solve the serious water problems in the future.
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目前,世界面临着严重的水问题.但是,这些问题在未来将变得更加尖锐,更加复杂.不断增长的人口将大大增加城市水域,主要是生活污水.另一方面,不断增加的水需求将使可用于稀释废水的水大幅度减少.工业快速发展,涉及的化学过程越来越复杂,产生大量的.其中,许多液体废物包含的化学物质是有毒的.为了养活迅速增长的人口,农业必须得到加强.这将使农业化学品的数量不断增加.由此看来,很明显,必须采取严厉措施立制定针对污染问题的整改措施.
有两种减少污染的方法.第一种方法与减少污染危害的废物处理相关.
这包括对固体废物排放之前的处理,和对液体废物的处理以便水经过最终处理可再利用或减少污染.第二种方法是开发全部或部分废物的经济用途.农家肥可作一种营养使用.污水处理厂处理后的水在一些地区用于灌溉、用作营养物.其他处理厂处理后的液体废弃物也可以用来作为补充水源.现在只有及时解决这些,我们才有希望在未来解决严重的水问题.