教研

jiào yán

Maʼnosi

teaching and research (abbr. for 教學研究|教学研究[jiao4 xue2 yan2 jiu1])

Ilovada oʻrganish → Chiziq tartibida yozish

Iyerogliflar

教jiàoschool, education孝攵研yánto grind, to rub; to study, to research石开