"The summer solstice has arrived, and the good things begin to grow" means: the summer solstice has arrived, and from now on, the good things will slowly unfold. After the summer solstice, the weather will become better and better. . The summer solstice is one of the twenty-four solar terms and an important moment marking the arrival of summer. After this solar term, the weather will become hotter, but there will also be many beautiful things.