What's the main reason for water pollution in this area?
这个地区水污染的主要原因是什么？
The problem of pollution in that area, as you suspect, is very serous now.
很可能你猜想的一样，那个地区的污染问题已经很严重了。
Their chief aim is to reduce the amount of pollution in the area.
他们的主要目标是减少该区域的污染量。
How are you going to deal with the water pollution of this area?
你们打算怎样处理本地区的水污染问题呢？
One eof the main effects of human activity on an area is water pollution.
人类活动对一个地区的主要影响之一是水污染。
The problem of pollution in that area, as you suspect is very serious now.
很可能跟你猜想的一样，那个地区的污染问题已经严重了。
The problem of pollution in that area, as you suspect, is very serious now.
很可能跟你猜想的那样，那个地区的污染问题已经很严重了。
The pollution in this area is not measurable.
这地区的污染是无法测量的。
Pollution is most serious in this area.
这个地区的污染最严重。
The smoke from the chimney is the main cause of pollution in this area.
烟囱中冒出的烟是这一地区的主要污染源。
There exists heavy mental pollution in researching area, especially in industry area.
研究地区土壤重金属污染较为严重，其中以工业区最为严重。
The air pollution in the urban area is still serious.
城市大气污染仍然较重。
The air pollution in the urban area is still serious.
城市大气污染仍然较重。
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