1. Xi, a standard secondary character in modern Chinese, is pronounced x ī in Putonghua, which was first seen in oracle bone inscriptions of the Shang Dynasty.
2. The basic meaning of the word "xi" is an auxiliary word in classical Chinese, which is equivalent to modern "ah" or "ah". For example, as the road is long and the road is long, I will search up and down.
3. In ancient Chinese, "xi" is often used as an auxiliary word in ancient poetry, such as "ge zhi qin xi", which is applied to zhong gu.
