1.
It allows women to collect fresh and unpolluted water on their doorsteps rather than being forced to trek many frustrating miles.
使妇女可在家门口收集新鲜、未污染的水，而不必跋涉许多里路。
2.
Uncontaminated water is normally used as seal water for vacuum pumps and for compressor cooling as well as for sanitary use.
未污染的水通常用作真空泵的密封水和压缩机的冷却水以及供保健用。
3.
The townspeople defiled the river by emptying raw sewage into it.
市民把未处理的污水倒入河中使河水污染。
4.
They always enter fresh, uncontaminated solutions and wash tanks.
它们都能使用新鲜的未经污染的溶液和水洗盆。
5.
"Clean:Free from dirt, stain, or impurities; unsoiled."
干净的:无灰尘、污迹或杂质的;未污染的.
6.
Conclusion The reason is that waste water was discharged before the precipitation.
结论废水未经沉淀，夹渣排放；某稀土厂废水是污染负荷的主要因子。
7.
Lakes and rivers that are heavily polluted with organic material are liable to contain less dissolved oxygen than does nonpolluted water.
受到有机物严重污染的湖泊和河流，比起未受污染的水来说，其中的溶解氧通常要少一些。
8.
While decontamination has been reviewed by several working Groups, the problems relating to the prevention of contamination of rinse water and its monitoring procedures have not been previously addressed.
很多工作组审议过去污染操作，却未曾提及存在于漂洗用水污染预防及其监测程序的有关问题。
9.
(2) "Pollutant" means a substance that is capable of causing water pollution.
(二)“污染物”是指能导致水污染的物质。
10.
"Dysentery is spread in food or water contaminated by feces, often by infected individuals with unwashed hands."
受染者的粪便可污染食物或水,因此常经由受染者未洗手即处理食品而传播。
11.
unsewered development
未有污水设施的发展区；未铺设污水管的发展区
12.
such as polluted air and water.
如受污染的空气和水。
13.
That's what's polluting the lake.
那就是污染湖水的东西。
14.
mine drainage pollution
矿山排水造成的污染
15.
the fetor of polluted waters;
受污染水体的臭气；
16.
During the year, the livestock waste control scheme prevented pollution equivalent to the raw sewage from 190000 people being discharged into the environment.
年内，禽畜废物管制计划减少的污染量，相当于19万名市民所产生未经处理的污水。
17.
Something that pollutes, especially a waste material that contaminates air, soil, or water.
污染性物质造成污染的物质，尤其指一种污染空气、土壤或水的废物
18.
Air pollution, land pollution, and water pollution all interact to upset our delicate ecosystem.
空气污染、地污染和水污染都能打乱我们脆弱的生态系统。