1 a long piece of writing on a particular subject that you do as part of a university degree 学位论文；毕业论文: He did his thesis on Japanese investment in Europe. 他写了一篇关于日本在欧洲投资的毕业论文。 ☞Look at dissertation. 参看dissertation。

2 an idea that is discussed and presented with evidence in order to show that it is true 论点；论题