What's good about the word "Shuang" in Wang Changling's poem "Seeing Weier"?

The word "Shuang" is not only a physical feeling, but also implies the poet's reluctance to his friends and sadness when he leaves.

Look at Taste is a poem by Wang Changling, a poet in the Tang Dynasty.

? Songweier

Upstairs, the river was drunk and drunk to bid farewell to the sweet orange pomelo, and the wind and rain in the river brought the boat desolate.

Imagine that you are alone in the xiaoxiang moon, listening to the long ape with a melancholy dream.

Precautions:

(1) Will: the author's friend. Ranked second with unknown name.

⑵ Xiaoxiangyue: One is On the Xiangjiang River. Xiaoxiang: Xiaoshui meets Xiangshui in Lingling County, which is called Xiaoxiang. Generally refers to the present area of Hunan.

Translation:

A banquet was held upstairs, and oranges and pomelo were fragrant, sending friends away. Jiang Feng attracted Jiang Yu to feel the cool night and sent his friends aboard.

I can't sleep at night thinking of friends in the distance under the moonlight in Xiaoxiang and hearing the sad cries of apes on both sides of the strait.