Ключевые слова: academic, age, back, beautiful, blackboard, board, chair, children, class, classroom, college, courses, cuddle, day, education, elderly, embrace, female, greenboard, hand, happy, hug, job, joy, knowledge, labor, learn, lecture, lesson, mature, meet, occupation, old, professional, school, senior, september, shirt, showing, sitting, smile, students, study, subject, teacher, welcome, woman, work, worker,