noun🔗Share论文，毕业论文。 A formal exposition of a subject, especially a research paper that students write in order to complete the requirements for a doctoral degree; a thesis."Maria spent two years researching and writing her dissertation on the effects of climate change on local bird populations. "玛丽亚花了两年时间研究并撰写她的博士论文，内容是关于气候变化对当地鸟类种群的影响。educationwritingachievementliteraturescienceChat with AIVocabulary GamePractice Reading
noun🔗Share论文， 毕业论文 A lengthy lecture on a subject; a treatise; a discourse; a sermon."The professor launched into a lengthy dissertation on the history of economics during the lecture, leaving many students confused. "上课时，教授开始长篇大论地讲解经济学历史，让很多学生听得一头雾水。educationwritingliteratureChat with AIVocabulary GamePractice Reading
