Ключевые слова: blur, cheerful, child, children, class, classmate, classroom, clever, computer, content, development, digital, diligent, education, electronic, elementary, girl, happy, indoors, intelligent, internet, kid, knowledge, laptop, learn, lesson, lifestyle, looking at camera, modern, online, positive, programming, pupil, school, schoolchild, schoolgirl, schoolkid, schoolwork, science, selective focus, smart, smile, study, teacher, technology, using,