Ключевые слова: alphabet, backpack, blackboard, book, chalk, chalkboard, class, classroom, college, concept, dutch, education, english, female, foreign, french, german, girl, greek, hello, information, italian, japanese, language, learn, lesson, letter, meaning, message, russian, school, spanish, speak, student, study, studying, teach, teaching, text, thai, translate, translation, universal, vocabulary, woman, written,