1 sentence

1. 他曾多次在中南海参加重要外事活动。

   tā céng duō cì zài Zhōng​nán​hǎi cān​jiā zhòng​yào wài​shì huó​dòng.

   He has participated in important foreign affairs activities at Zhongnanhai on many occasions.

   Source: Dong Chinese Dictionary