城市造成的污染是个多么严重的问题？
相反，一个肮脏的和污染严重的城市可能将他赶走。
On the contrary, a dirty and polluted city may drive him away.
你的城市最严重的污染是什么？
城市中被污染的空气严重地危及人民的健康。
The polluted air in the city is badly endangering the health of the people.
住在污染这么严重的城市里对我的健康不利。
Living in a polluted city like this just can't be good for my health.
我们是其中的污染最严重的城市，在世界上！
城市中被污染的空气严重地危及人民的健康。
The polluted air in the city badly endangers the health of the people.
城市中污染的空气严重地危及人民的健康。
The polluted air in the city seriously endangers the people's health.
最近，我们城市附近的河流被严重污染了。清洁的水不见了。 河流污染。
The rivers near our city have been seriously polluted recently. The clear water has gone.
大城市里的空气受到了严重的污染。
城市中被污染的空气严重危及人民的健康。
The polluted air in the city is badly endangering the health of the people.
城市中被污染的空气严重危及人民的健康。
The polluted air in the city is badly endangering the health of the people.
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