-
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？
youdao
-
The main reason for indoor air pollution at present is from house decoration.
目前我国室内空气污染最主要的原因是室内装修。
youdao
-
The main reason for indoor air pollution at present is from house decoration.
目前我国室内空气污染最主要的原因是室内装修。
youdao