sewage pollution

基本解释

I said, deep footprints can nourish the soul of life, full of washing sewage pollution and meet clean tomorrow.
我却说，深重脚印可以滋养灵魂，洗涤人生的斑斑污污，迎接清新洁净的明天。
No one has offered an official explanation, but it's more likely the color comes from sewage, pollution or a water treatment process.
没有人提供官方解释但这颜色更可能来自地下污水污染水或是水处理。
The key link of treating heavy oil sewage is pollution index-COD attaining standard.
稠油废水处理的达标外排，其中处理的关键污染指标为COD （化学需氧量）。

Houseboats also contribute to the lake's pollution and the development authority says they should install small sewage systems.

The prospectus talks of redeveloping the decaying port area, and of at last cleansing Guanabara Bay of sewage and industrial pollution.
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They carry a lot of unwanted baggage (trash, pollution, sewage) and too much too fast can devastate a community, like Edmonston, with terrible flooding.
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The U.S. and Canada limited the use of phosphate laundry detergents and cracked down on Great Lakes pollution from industry and municipal sewage systems four decades ago.
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