dissertation

US /ˌdɪs.ɚˈteɪ.ʃən/
UK /ˌdɪs.ɚˈteɪ.ʃən/
"dissertation" picture
1.

论文, 学位论文

a long essay on a particular subject, especially one written as a requirement for a university degree or diploma

:
She spent a year writing her doctoral dissertation.
她花了一年时间撰写博士论文
His master's dissertation focused on medieval history.
他的硕士论文专注于中世纪历史。