1610s, "discussion, debate," from Latin dissertationem (nominative dissertatio) "discourse," noun of action from past participle stem of dissertare "debate, argue, examine, harangue," frequentative of disserere "discuss, examine," from dis- "apart" (see dis-) + serere "to arrange words" (see series). Sense of "formal, written treatise" is 1650s.
实用例句
1. I'm supposed to have handed in a first draft of my dissertation.
我本该把论文的初稿交上去了。
来自柯林斯例句
2. Diploma and certificate courses do not normally require the submission of a dissertation.
为获得文凭和证书所修的课程通常不需要提交论文。
来自柯林斯例句
3. Each student has a supervisor to advise on the writing of the dissertation.
每个学生都有导师指导他们写论文。
来自柯林斯例句
4. After the discussion of my dissertation I taught him Chinese.
讨论完我的论文,我就教他中文.
来自汉英文学 - 散文英译
5. His dissertation is on the drastic social change brought about by the French Revolution.