东汉末期，社会动荡不安。

The society was unstable at the end of the Eastern Han Dynasty.

东汉的政治制度非常复杂。

The political system of the Eastern Han Dynasty was very complex.

东汉的文化对后世影响深远。

The culture of the Eastern Han Dynasty had a profound impact on later generations.

东汉是中国历史上的一个重要朝代。

The Eastern Han Dynasty is an important period in Chinese history.

东汉时期，许多伟大的发明被创造出来。

Many great inventions were created during the Eastern Han Dynasty.

自东汉以来，他一直被尊称为名医。

He has been honored as a master doctor since the Eastern Han Dynasty.

东汉末年,天下大乱.

The country was in great disorder during the end of the Eastern Han dynasty.

发明者是东汉著名的科学家张衡。

The inventor was Zhang Heng, a famous scientist in the Eastern Han Dynasty.

东汉末年，剑气又变为朝云和暮云。

The Eastern Han Dynasty, and become the asagumo and Muyun sword.

有关普洱的历史可以追溯到东汉时期。

The history of pu-erh tea can be traced back to the Eastern Han Dynasty.