我认为一个问题是空气污染严重。

I think one problem is that the air is badly polluted.

空气污染严重。

The air is badly polluted.

工业污染严重破坏环境。

Industrial pollution causes serious environmental damage.

高生化需氧量表示水体污染严重。

High biochemical oxygen demand indicates severe water pollution.

住在城市的坏处是空气污染严重。

The disadvantage of living in the city is the severe air pollution.

环境污染严重影响了居民的生活质量。

Environmental pollution has severely affected the residents' quality of life.

水源污染严重影响了当地居民的健康。

Water pollution has severely affected the health of local residents.

印度新德里空气污染严重。

In India, air pollution has hit severe levels in New Delhi.

目前我国的地下水资源污染严重。

At present, groundwater resources in our country are polluted seriously.

你觉得城市里的空气污染严重吗？

Do you think the air pollution in the city is serious?