This is the 1921st most frequent Korean word.
논문을
"논문을" means "a thesis" or "a paper" (in the object form).
In this sentence, '논문을' serves as the object of the verb '완성하다' (to complete), indicating the thesis is the focus of the action.
저는 이번 주에 논문을 완성해야 합니다.
I need to complete my thesis this week.
Here, '논문을' functions as the object of the verb '제출하다' (to submit), specifying what is being submitted.
교수님께 논문을 제출했습니다.
I submitted the thesis to the professor.
In this construction, '논문을' is the object of '발표하다' (to present), showing what is being presented.