The rain darkens the book and the grass covers it, and the spring breeze reports the flowers in Mo Chi first.

Rain at night nourishes books with grass, and spring breeze first reports the meaning of Mo Chi flowers. The rain at night nourishes books with grass and grows unconsciously in the dark. The spring breeze tells the ink flower of Biyan's poems in advance. According to relevant public information, it means rain at night, rain after night or rain for many days in a row. The book is called grass, and its leaves are very long and extremely tough. Dark growth means growing in the dark, hiding, and growing unconsciously in the dark. Spring breeze means spring breeze, which can be used to convey and inform in advance. It is an inkstone pool for washing pens, and famous calligraphers include Han and Jin.