What does the poem "Silver in the sea is the country and jade in the river is the waist" mean?

It means: when the tide of Qiantang River comes in, it looks like a high silvery white battlements, and the white tide looks like a white jade belt, meandering across the center of the river.

From: Looking at Zhejiang Tide

Author: Yang Wanli

The silver in the sea is Guo, and the river is waist. Wu Nong didn't speak until he was old.

When the tide of Qiantang River comes in, it looks like a silver wall, and it looks like Qiantang River is tied with a white belt. Wu Ruanyu only said that this is a game project, but I can watch the tide every year after I get old.

Extended data

Yang Wanli (112710/October 29th-1June 2006 15), whose real name was Ting Xiu, was called. Jiangyou people of Han nationality. Jishui, Jizhou (now Tang Qiu Village, huangqiao town, Jishui County, Jiangxi Province). Minister of Southern Song Dynasty, famous writer and patriotic poet, together with Lu You, You Mao and Fan Chengda, are called "Four Poets of Southern Song Dynasty" (also known as "Four Poets of Zhongxing"). Scholars call Song Guangzong "Mr. Chengzhai" because he wrote the word "Chengzhai".

Yang Wanli wrote more than 20,000 poems in his life, and 4,200 works were handed down from generation to generation. He is regarded as a generation of poets. He used simple language, fresh and natural, full of humor, and created a "sincere style". Most of Yang Wanli's poems describe natural scenery and are good at it. He also has many chapters reflecting people's sufferings and expressing patriotic feelings. He is the author of Zhai Chengji and so on.