What does "fresh air" mean?

Birds sing and flowers give off fragrance.

Interpretation: birds and flowers; Describe the beauty of nature, mostly referring to the beautiful spring.

Source: Lu Song's poem "Living in Peace": "Birds and flowers turn cloudy, and a little leisure is afraid of illness."

The sky is clear and the air is fresh.

Interpretation: Describe the clear sky and fresh air.

Source: Wang Jinxi's Preface to the Orchid Pavilion: "It is a sunny day, the sky is high and the clouds are light, and the wind is beautiful. You can look up at the vastness of the universe and overlook the prosperity of various categories."

After the storm, it was calm.

Interpretation: The weather means that it turns fine after the rain; Politically, metaphor moves from darkness to light.

After the rain, the air became very fresh.

Picturesque

Interpretation: The mountains and rivers are quiet and beautiful, describing the beautiful scenery.

Source: Huang Songting Jian's "Moshan Xi gives Hengyang agarwood": "Mei Dai gathers her eyes and is beautiful."

Refreshing

Interpretation: Describe the air, poems and articles as beautiful and moving, giving people a fresh and hearty feeling. The smell makes people feel right.

Source: Poetry with Classics: "I say five or six sentences is the coolest."