我要准备开始写三千字的论文。

Wǒ yào zhǔnbèi kāishǐ xiě sānqiān zì de lùnwén.

I’m getting ready to start writing a 3,000-word paper.

他的博士论文获得了最高奖项。

tā de bó shì lùn wén huò dé le zuì gāo jiǎng xiàng.

His doctoral thesis received the highest award.

我正在写一篇关于环境保护的论文。

wǒ zhèng zài xiě yī piān guān yú huán jìng bǎo hù de lùn wén.

I am writing a paper on environmental protection.