Complex sentence: Ji founded the Department of Eastern Languages in Peking University soon after his arrival, becoming dean of the department and pioneering the field of Eastern studies in China, and authoring 40 articles and 13 academic papers within the next three years.
Split into simpler sentences: Ji founded the Department of Eastern Languages in Peking University soon after his arrival, becoming dean of the department and pioneering the field of Eastern studies in China. He wrote 40 articles and 13 academic papers within the next three years.