大自然的空气很新鲜。

Dàzìrán de kōngqì hěn xīnxiān.

The air in nature is very fresh.

这些水果都很新鲜啊！

Zhèxiē shuǐguǒ dōu hěn xīnxiān a!

These fruits are so fresh!

那里的海鲜比北京的新鲜很多。

Nàlǐ de hǎixiān bǐ Běijīng de xīnxiān hěn duō.

The seafood there is much fresher than in Beijing.