HSK 7-9
国学
guóxué名
Chinese national culture; studies of ancient Chinese civilization; the Imperial College (history)
这位教授多年从事国学研究。
Zhè wèi jiào shòu duō nián cóng shì guó xué yán jiū.
This professor has studied traditional Chinese scholarship for years.
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Appears across levels (7-9) in the HSK 3.0 word list.