1 sentence

1. 这部书详细地介绍了基辅罗斯时期的社会面貌。

   zhè bù shū xiáng​xì de jiè​shào le Jī​fǔ Luó​sī shí​qī de shè​huì miàn​mào.

   This book provides a detailed account of the social landscape during the Kievan Rus' period.

   Source: Dong Chinese Dictionary