simplified icon of a female teacher with a chalkboard showing some mathematical expressions
老師
blackboard、chalk、chalkboard、Comic characters、Decideware Images、learn、math、msc pro、people、pointer、school、teach、teacher、woman
黑板、粉筆、黑板、漫畫人物、決策軟件圖像、學習、數學、msc親、人、指針、學校、教、老師、女人
資料來源：openclipart ( https://openclipart.org/ )