题目

英语翻译
1.Floods disrupt normal drainage system in cities and typically overwhelm sewer systems.Thus,raw or partially raw sewage spills are common in flooded area.Additionally,（if the flood is severe enough）,destruction of building（ that can contain a large array of toxic materials） can cause the release of these materials into the local environment,which leads to severe environment pollution.
2.The zone of saturation is the area of soil and rock （whose pore spaces are completely filled with water）,and which is entirely devoid of soil air.This zone is technically termed ground water （even though the term broadly includes water in the zone of aeration）.
3.Drip irrigation,（also known as trickle irrigation）,functions as its name suggests.Water is delivered at or near the root zone of plants,drop by drop.This method can be the most water-efficient method of irrigation,if managed properly,（since evaporation and runoff are minimized）.In modern agriculture,drip irrigation is often co

提问时间：2021-01-26

答案

　1.洪水破坏正常的城市排水系统,通常会使排水系统不堪重负.因此,生的或部分未经处理的污水泄漏在水淹地区很常见.此外,(如果洪水足够严重),破坏建筑(也可以包含一系列大型的有毒物质)会导致这些材料到当地环境的释放...