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.
我卻說，深重腳印可以滋養霛魂，洗滌人生的斑斑汙汙，迎接清新潔淨的明天。
No one has offered an official explanation, but it's more likely the color comes from sewage, pollution or a water treatment process.
沒有人提供官方解釋但這顔色更可能來自地下汙水汙染水或是水処理。
The key link of treating heavy oil sewage is pollution index-COD attaining standard.
稠油廢水処理的達標外排，其中処理的關鍵汙染指標爲COD （化學需氧量）。

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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