1 sentence

1. 我正在看一本关于罗马帝国兴衰的书。

   wǒ zhèng​zài kàn yī​běn guān​yú luó​mǎ​dì​guó xīng​shuāi de shū.

   I am reading a book about the rise and fall of the Roman Empire.

   Source: UM-Corpus: Education