刘歆为西汉王朝宗室，又为王莽新朝功臣，是学术造诣高深的经学家，又是将儒家理想制度付诸实践的改革家。

Liu Xin was a member of the royal family in Western Han, and an important official in Wang Mang's new court.

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留学解答资讯网：景福宫是李朝（1392~1910年）时期首尔的五大宫之一，也是李氏王朝的正宫，具有500年历史。

Gyeongbok Palace is the Yi Dynasty (1392 ~ 1910) during the five Palace Seoul is one of the Lee dynasty is Palace, a 500-year history.

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