历史沿革 lìshǐyángé historical development Definitions Defs Origin Strokes Stroke Words Sentences Sents 历史 歷史 lìshǐ noun history The past events of humanity or nature; past records or a person's background; the academic field or study of past events.沿革 yángé history The course of change and development of something over time; evolution or historical development.
