1 sentence

1. 他在云南支教期间，结识了很多彝族朋友。

   tā zài Yún​nán zhī​jiào qī​jiān, jié​shí le hěn​duō Yí​zú péng​you.

   During his time teaching in Yunnan, he made many friends from the Yi ethnic group.

   Source: Dong Chinese Dictionary