noun 下载 🔗分享 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. Examples : "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。 education writing achievement literature science 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 论文， 毕业论文 A lengthy lecture on a subject; a treatise; a discourse; a sermon. Examples : "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。 education writing literature 与AI对话词汇游戏阅读练习
