Yuav ua li cas xaiv cov khoom tsim nyog rau kev sib tham sib qhia hauv chav kawm?
Thaum peb xaiv lub rooj tsavxwm ntse rau kev sib tham sib tham, cov yuam sij hauv qab no yuav yog qhov siv tau zoo. Kev sib txuas Txawm tias nws yog lub projector, whiteboard, lossis touch board, cov kws qhia ntawv yuav tsum muaj peev xwm txuas tau lawv cov khoom siv (thiab cov tub ntxhais kawm) kom ua tau zoo tshaj plaws....
saib kom meej