The word "empty valley" in "There is a sound in the empty valley, and the sorrow lasts for a long time" is a noun as an adverbial, meaning: in the empty valley. The whole sentence means: The echo of the ape's cry came from the empty valley, sad and gentle, and it took a long time to disappear.
From: "Three Gorges" by Li Daoyuan in the Southern and Northern Dynasties
Excerpts from the original text:
Every sunny day and the first frost, when the woods are cold and the streams are austere, there are often high apes roaring, It is desolate and strange. There is a sound in the empty valley, and the sorrow lasts for a long time. Therefore, a fisherman sang: "The Badong Three Gorges and the Wu Gorge are long, and the apes cry three times and shed tears on their clothes."
Interpretation:
In autumn, every time it is sunny or rainy, On frosty mornings, the woods and mountain streams are cool and quiet. Apes often call out in long and continuous voices. disappear. Therefore, the song of the fishermen in the Three Gorges sings: "The Badong Three Gorges and the Wu Gorge are long, and the apes cry three times and shed tears on their clothes."
Extended information
Other word categories used in the article:
① Even if you ride on the wind and ride on the wind, you don’t use speed: Ben, the verb is used as a noun, a galloping horse.
②Back to clear reflection: clear, the adjective is used as a noun, clear wave.
③ Clear first frost day: frost, noun used as verb, frost.
Theme of the article:
The article writes about mountains first and then water. The layout is natural and the thinking is clear. When writing about water, the ink is divided into different seasons. The rhythm of the article is also a mixture of movement and stillness, swaying in various ways. High mountain peaks, turbulent rivers, clear blue water, hanging waterfalls, mournful ape calls, and sad fishermen's songs form pictures with different styles but natural harmony, which leave a deep impression on readers.
The quoted verses highlight the characteristics of high mountains and long waters, while at the same time exaggerating the sad and desolate atmosphere of the autumn scenery of the Three Gorges. The full text uses concise and vivid writing to describe the majestic, dangerous, quiet and beautiful scenery of the Three Gorges.