爽やかだ
The air is refreshing.
空気が爽やかです
The air is really refreshing.
空気が本当に爽やかです
The air I breathe is really refreshing.
吸う空気が本当に爽やかです
The air I breathe in the mountains is really refreshing.
山で吸う空気が本当に爽やかです
The air I breathe in the mountains in the morning is really refreshing.
朝に山で吸う空気が本当に爽やかです