Don't pour waste water into rivers and lakes.
不要把废水倒入江河湖水中。
Nowadayss more and more waste water is being poured into rivers.
此时越来越多的废水流入河流。
Don't pour waste water into the rivers.
不要把废水倾入河中。
Good idea, because factories always pollute the environment by pouring waste water directly into rivers.
好主意，因为工厂经常排出的废水直接流进河里污染环境。
Second we should stop the factories from pouring waste water and litter into the rivers.
第二我们应该阻止工厂废水和垃圾倒进河流。
Waste water is also cleaned before it is poured into rivers.
废水也清洗前涌入河流。
Waste water from a number of cities is now "cleaned" before flowing back into rivers.
现在，许多城市里的废水被净化后才让它流回河里。
Waste water from a number of cities is cleaned before flowing back into rivers.
许多城市里的废水被净化后才让它流回河里。
Every day large quantities of waste water are poured into rivers without being cleaned.
大量的废水每天没有经过处理就被倒入江河。
The waste water from cities is made clean and back into rivers.
城市的污水被净化后，再排放到河流里。
The waste water from cities is made clean and back into rivers.
城市的污水被净化后，再排放到河流里。
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