Ключевые слова: adult, biologist, botanical garden, botany, caucasian, cheerful, daylight, daytime, eco, ecological, ecologist, ecology, environment, environmental, environmentalist, examine, flask, fresh, freshness, goggles, green, greenhouse, handsome, hothouse, indoors, leaves, man, natural, naturalist, nature, one person, orangery, plant, positive, research, sample, science, scientific, scientist, smile, smiling, sunlight, sunshine, white coat,