I have heard of Dongting Lake for a long time, and now I have finally climbed this tower. )

1.( 1) "Yesterday's News" and "Today's News" express the author's mental journey from the past to the present for decades. Although the scenery is good, it is bumpy and sad all the way. "Tile" and "float" infinitely expand the space of imagination, and also show the poet's mentality of riding clouds.

(2) Draw a desolate and vast background color.

2. From personal helplessness, old age and illness to the expectation of the country's disintegration, the poet's grief was finally unbearable and he couldn't help crying.

This couplet shows the poet's broad mind. It shows that the vast Dongting Lake is the boundary of Wu Chu, and if the sun, moon and stars float in it.