What is the rhetorical device that the green hills on both sides of the strait face each other like solitary sails?

Relative and dual rhetoric of green hills on both sides of the strait

This sentence comes from Wang Tianmen Mountain written by Li Bai in the Tang Dynasty.

The original text is as follows:

The Yangtze River splits the Tianmen Peak like a giant axe, and the green river flows around the island.

The green hills on both sides are neck and neck, and a boat meets leisurely from the horizon.

Vernacular translation: Tianmen Mountain broke in the middle because the Chu River washed it away, and the clear water flowed eastward and turned back here. The towering green hills on both sides of the river stand across the Yangtze River, and a solitary boat on the river is coming from the edge of the sun.

Extended data:

Creative background:

According to Anqi's Notes on the Chronology of Li Bai's Complete Works and Yu Xianhao's Selected Works of Li Bai, Wang Tianmen Mountain was written at the turn of spring and summer in the 13th year of Emperor Xuanzong of the Tang Dynasty (725). At that time, Li Baichu, who was 25 years old, left Bashu and took a boat to Jiangdong via Dangtu (now Anhui) for the first time. ?

Double introduction:

Duality: A figure of speech in which two phrases or sentences with the same structure, equal number of words and symmetrical meaning are used to express opposite, similar or related meanings, which is called duality.

Duality, commonly known as antithesis, is called duality in rhymes such as poetry, music and fu.

The antithetical sentences have unique artistic features, which look neat and striking, sound sonorous and pleasing to the ear, are catchy to read, easy to remember and recite, and are deeply loved by people.

Duality usually refers to a rhetorical device consisting of two opposite phrases or sentences with the same number of words, similar syntax, level and related meanings. The dual relationship is close, concise and concentrated, and has strong generalization power; Formally, the front and back parts are uniform, the syllables are harmonious and disciplined. Strict duality also stresses levelness and makes full use of Chinese tones. ? [ 1]?

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