The first part (section 1): Write about the Yangtze River with a long history and great momentum; We are attached to the Yangtze River, and you have the feelings of a mother. "The author is an infinite source for the Yangtze River.
The whole poem is divided into two parts, love and attachment.
This poem eulogizes the magnificence of the Yangtze River.
These two parts use "We praise the Yangtze River" which appeared twice before and after, and take sincere feelings and "attachment" to the Yangtze River with a long history as the main line, which is colorful.
The second part (the second section) has a long history and infinite power: writing about the Yangtze River has a long history, great momentum and infinite power.