Ключевые слова: 9s, activities, american, awareness, childhood, children, class, communication, desk, educating, educational, elementary, emotion, european, focused, girl, group, indoors, interacting, knowledge, learning, lecture, lesson, lifestyles, listening, notes, occupation, person, portrait, preteen, process, school, schoolgirl, schooling, schoolmate, schoolroom, schoolteacher, schoolwork, sitting, students, teaching, teen, test, togetherness, tweenager, work, writing,