Ключевые слова: asian, back, background, blackboard, board, book, boy, chalk, chalkboard, cheerful, childhood, children, class, classroom, clever, concept, crayon, cute, desk, education, elementary, glasses, happy, idea, intelligent, kid, knowledge, learn, lesson, little, mathematics, nerd, pencil, people, person, preschool, primary, pupil, school, schoolboy, schoolchild, science, small, smart, student, study, studying, success, thai, young,