dumpe pollutants
The factory always lets out a lot of sewages.
We decided to take measures to prevent this factory from pouring waste into the river
很多工厂排放很多污染环境的废气废水There are many factories emit exhaust gas and waste water which pollute environment.
147 浏览 4 回答
165 浏览 5 回答
98 浏览 3 回答
131 浏览 4 回答
85 浏览 7 回答
254 浏览 3 回答
201 浏览 5 回答
212 浏览 5 回答
325 浏览 3 回答
175 浏览 4 回答
93 浏览
357 浏览
197 浏览
128 浏览
191 浏览
农夫三下乡
