Ключевые слова: ahead, around, binocular, blue, boy, child, childhood, coast, concentrate, concept, curious, distance, educational, find, focus, focused, glass, horizon, horizontal, kid, knowledge, line, little, look, observing, one, optic, optical, people, perceiving, school, sea, search, see, seek, shows, side, single, small, student, study, summer, telescope, telescopic, viewing, watch, white, young, youth, youthful,