可以确定的是，那里的空气不干净。

What is clear is that the air isn't clear.

youdao

比如，土地是桑迪，河水很脏，空气不干净，甚至地球的温度正在上升。

Such as, the land is sandy, the river is dirty, the air is less clean, even the temperature of the earth is rising.

youdao

我认为我们的环境不太好。空气不干净。天也不是每天都很蓝。河流被污染了。

I think our environment is not very good. The air is dirty, the sky is not blue everyday and the rivers are polluted.

youdao

我认为我们的环境不太好。空气不干净。天也不是每天都很蓝。河流被污染了。

I think our environment is not very good. The air is dirty, the sky is not blue everyday and the rivers are polluted.

youdao