演变 (yǎnbiàn) means "to evolve" or "to develop gradually," describing a process of change over time. It is used to talk about how things such as customs, languages, or foods have transformed throughout history. The term emphasizes gradual, natural transformation rather than sudden change.
中国的饮食文化经历了很长时间的演变。
Zhōngguó de yǐnshí wénhuà jīnglì le hěn cháng shíjiān de yǎnbiàn.
China's food culture has undergone a long period of evolution.
汉字的字形在几千年中不断演变。
Hànzì de zìxíng zài jǐ qiān nián zhōng bùduàn yǎnbiàn.
The forms of Chinese characters have continuously evolved over thousands of years.
这种传统习俗演变成了今天的节日活动。
Zhè zhǒng chuántǒng xísú yǎnbiàn chéng le jīntiān de jiérì huódòng.
This traditional custom evolved into today's festival activities.