空气对我们很重要。
kōngqì duì wǒmen hěn zhòngyào 。
Air is very important to us.
今天的空气非常清新。
jīntiān de kōngqì fēicháng qīngxīn 。
The air is very fresh today.
她喜欢在空气清新的地方散步。
tā xǐhuān zài kōngqì qīngxīn de dìfāng sànbù 。
She likes to take walks in places with fresh air.