写毕业论文是对大学四年的一种交代的翻译：His thesis was on four-year account 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Writing his thesis is an account of four years of college

His thesis was on four-year account

Writes the graduation thesis is to the university four years one kind of confession

Dissertation writing is 4 years of the University's account of a

His thesis was on four-year account