1, the first two sentences use parallelism to express the scenery lyrically and express the poet's inner feelings.
Analysis: The mountain scenery of Purple Mountain and the waves of the Yangtze River are lonely together, and the trees around the Ming Tombs are particularly desolate in the evening.
2, green grass, don't blame the smoke of the Six Dynasties, these are like the story of Jiang Zuo, gone with the wind. It expresses that the author looks back on the past of the Six Dynasties from the perspective of grass, and it is also infinite loneliness and emotion. "One river does not return, and the waves are exhausted. He is a romantic figure through the ages."