Ключевые слова: academic, academy, audience, campus, class, classroom, college, computer, conference, course, discussion, education, faculty, female, friends, group, happy, indoors, institute, instructor, knowledge, laptop, learning, lecture, lecturer, lesson, listening, male, man, meeting, people, presentation, professor, room, school, seminar, sitting, smiling, student, study, studying, teach, teacher, teaching, technology, training, university, woman, young,