他正在图书馆里写他的学位论文。

He is writing his dissertation in the library.

她花了两年时间写她的学位论文。

She spent two years working on her dissertation.

他上周成功答辩了他的学位论文。

He defended his dissertation successfully last week.

图书馆有她的学位论文供参考。

The library has a copy of her dissertation for reference.

他花了两年时间才完成他的学位论文。

It took him two years to finish his dissertation.

她的学位论文研究了气候变化的影响。

Her dissertation examines the effects of climate change.

她的学位论文获得了教授们的高度评价。

Her dissertation received high praise from the professors.

她的学位论文集中研究气候变化及其影响。

Her dissertation focuses on climate change and its impacts.

完成学位论文需要大量的研究和写作。

Completing a dissertation requires a lot of research and writing.

她目前正在撰写生物学领域的学位论文。

She is currently working on her dissertation in the field of biology.