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The first two sentences are about the river at sunset. "A sunset is spreading in the water". The sunset shines on the river, but it means "spreading" instead of "taking pictures". This is because Sunset is close to the horizon and almost touches the ground. It really seems to be "paved" on the river, which is very vivid. The word "shop" is also gentle, which says the softness of autumn sunset, giving people a cordial and leisurely feeling. "Half the river is rustling, half the river is red", the weather is clear and windless, the river flows slowly, and there are tiny ripples on the river. The part that receives more light shows "red"; Where there is little light, there is dark blue. The poet grasped the two colors on the river, but showed the scene that the river was sparkling at dusk and the color changed rapidly in the sunset. The poet was intoxicated and put his happiness in the description of the scenery.
● Write the last two sentences about the night scene when the new moon rises. The poet lingered until the early moon rose, the cool dew fell and a better realm appeared in front of him. The poet leaned over and looked at it: Hehe, the grass by the river is covered with crystal dew. Dewdrops on the green grass look like pearls embedded in it! With the metaphor of "real pearl", not only the roundness of dew is written, but also the luster of dew shining under the new moon. Look up again: a crescent moon rises, just like hanging a delicate bow in the blue sky! The poet condensed two scenes in heaven and earth into a poem-"Dew is like a pearl, and the moon is like a bow". From the crescent moon bent like a bow, the author remembered that it was "the third night of September", and could not help but blurt out his lovely praise for it, expressing his feelings directly, pushing his feelings to a climax and causing waves in his poems.