Ключевые слова: blackboard, caucasian, chat, child, children, class, classmate, classroom, communication, concept, cute, ear, education, emotion, expression, female, friend, friendship, fun, funny, girl, gossip, green, hand, happiness, happy, hearing, humor, joy, joyful, laugh, listening, saying, school, school uniform, secret, shocked, sisters, smile, student, surprise, talking, together, vitality, whisper, white, youth,