"Dew defrosting" usually refers to the scene that dew condenses into frost in the morning after the temperature drops. In China's traditional poems, this scene is endowed with such emotional colors as sadness, desolation and loneliness. "Ink adds fragrance" refers to the process of describing this beautiful scene with pen and ink, or describing the beauty of someone's writing and pen and ink.
On the whole, "Dew melts into frost and ink adds fragrance" can be understood as depicting the beautiful scene of dew condensing into frost in autumn morning with beautiful writing style, and expressing the poet's love and feelings for this season.
In addition, "white dew melts frost and ink adds fragrance" can also be understood as a description of something or a situation, that is, this thing or situation itself is beautiful and full of charm, but it needs people's hearts to explore, understand and feel.
It should be noted that the expression "white dew melts frost and ink adds fragrance" is not fixed, and its specific meaning will vary with different authors, works and contexts.