Poetry rhymes. Take Cen Can's Bai Xuege as an example. What exactly is rhyme?

Rhyme is rhyme after all. Although ancient poems can rhyme to the end, they can also rhyme and rhyme several times. There are many ways to change the rhyme: every two, four, six sentences, or as many as a dozen sentences. You can use two flat rhymes together, two even rhymes together, or even rhymes alternate. Bai Xuege [Tang] The north wind of Cen Can rolled white grass and blew it to pieces, and eight In the snow crossed the Tatar sky. Just like the spring wind, it blows away the petals of 10,000 pear trees at night. It enters the pearl shutters, and it wets the silk curtains. The fur coat feels cold and the cotton pad is thin. The general used cold hands to protect his hands. The armored steel was too cold to wear. The desert freezes over/kloc-0.000 feet, with a crack, and the sky is full of darkness and melancholy. In the manager's account, this wine is a farewell party, and the Huqin Pipa flute ensemble adds luster to this entertainment. In the evening, in front of the headquarters gate, heavy snow fell, the red flag froze, and the wind could not drag. Luntai East Gate, welcome to the capital. Go, the mountain road is covered with snow. I haven't seen you in the winding mountain road, leaving only a row of horseshoe prints. (Fold, snow, crumb rhyme. Come on, open it, grey rhyme. Curtain, thin, wearing, medicinal rhyme. Ice, condensation, steaming rhyme. Guest: Mo Yun: Flute, Yun. Mo Xi gate, turn, yuan rhyme. Go, go, rhyme. Road, encounter rhyme. Yu Yutong Rhyme Note: The first sentence that rhymes usually rhymes. The first sentence of modern poetry often rhymes, and ancient poetry may be influenced by modern poetry in this respect.