Duke of Zhou was a famous dream expert in ancient China. His dream interpretation theory involved all aspects of dreams, including the meaning of dreams, the symbols of dreams, the physiological reactions of dreams, and so on. If the plot of the novel required the Duke of Zhou to interpret the dream, one could consider adding the following elements to the plot: 1. An overview of Duke of Zhou's interpretation of dreams: At the beginning of the novel, you can use a few sentences to introduce the concept and principles of Duke of Zhou's interpretation of dreams so that readers have a preliminary understanding of this concept. 2. Dream explanation: In the plot, Duke of Zhou's dream interpretation can explain the dream of the classmate, such as what the snake represents, what the sword represents, and so on. It could be explained in more detail so that the readers could better understand the meaning of the dream. 3. The practical application of Duke of Zhou's dream interpretation: At the end of the plot, Duke of Zhou's dream interpretation can give some suggestions to help students solve some problems in the dream. For example, dreaming of snakes represents difficulties and danger. Students are advised to remain calm when encountering difficulties and not panic. It was important to note that when adding the element of Duke of Zhou's Dream Interpretation, it was necessary to ensure that this element was consistent with the theme of the story and could attract the interest of the readers. At the same time, Duke of Zhou's dream interpretation theory was not very accurate. It could only be used as a reference and could not be used as a basis for decision-making.