Ключевые слова: academic, adult, background, class, clipboard, closeup, college, color, colorful, communication, concept, course, do, education, educational, english, female, foreign, hands, holding, international, knowledge, language, learn, learning, lesson, linguistic, paper, person, pink, polyglot, question, school, speak, student, study, studying, teach, teacher, teaching, time, translate, university, vocabulary, woman, written, you,