4 sentences

1. 公园里的空气很清新。

   gōng​yuán li de kōng​qì hěn qīng​xīn.

   The air in the park is very fresh.

   Source: CCMatrix

2. 你可以感受到清新的空气。

   nǐ kě​yǐ gǎn​shòu dào qīng​xīn de kōng​qì.

   You can feel the fresh air.

   Source: CCMatrix

3. 她闻起来又清新又干净，像肥皂一样。

   tā wén qǐ lai yòu qīng​xīn yòu gān​jìng, xiàng féi​zào yī​yàng.

   She smelled fresh and clean, like soap.

   Source: CCMatrix

4. 我敢肯定，你整天都会感觉更加清新、更有活力。

   wǒ gǎn kěn​dìng, nǐ zhěng​tiān dōu​huì gǎn​jué gèng​jiā qīng​xīn, gèng yǒu​huó​lì.

   I'm sure you will feel fresher and more energetic all day long.

   Source: CCMatrix