My best friend helped me choose a dissertation topic.

—我的最好的朋友帮我选了论文题目。

youdao

My best friend helped me choose a dissertation topic.

我的最好的朋友帮我选了论文题目。

youdao

Since I am one of the experts (this was my dissertation topic), I'd like to share my findings with you.

因为我是这方面的专家之一（这是我的论文题目之一），我想和你分享一些我的研究发现。

youdao

Casting around for a dissertation topic, the student, Eugene Aserinsky, decided to hook sleepers up to an early version of an electroencephalogram machine, which scribbled across half a mile of paper each night.

NEWYORKER: Up All Night