to study
他曾在北京大学数学系肄业两年。
He studied in the mathematics department of Beijing University for two years.
未毕业就离校停学to abandon one's studies before graduating
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。