我学习了许多关于动力的知识。

I'm learning a lot about motivation.

youdao

另外，当我后来开始学习古希腊语，我学了许多关于英语单词的词根知识，我发现它对我以后的写作很有帮助。

In addition, when I later started studying Ancient Greek, I learnt a lot about the roots of English words - something I have found very useful in writing in the years since.

youdao

It also helps you build your knowledge about many things.

这也能帮助你学习关于许多事物的知识。

It's important 实战 - SpeakingMax英语口语达人