和城市比，我觉得公园里的空气比较好。

Hé chéngshì bǐ, wǒ juéde gōngyuán lǐ de kōngqì bǐjiào hǎo.

Compared with the city, I think the air in the park is better.

这里的空气很清新啊！

Zhèlǐ de kōngqì hěn qīngxīn a!

The air here is very fresh.

在市郊可以呼吸到新鲜空气。

Zài shìjiāo kěyǐ hūxī dào xīnxiān kōngqì.

You can breathe fresh air in the suburbs.