Ключевые слова: abstract, allergic, allergy, biology, blur, botanic, cluster, cotton, cover, down, earth, ecology, environmental, eye, feather, fluff, fluffy, flying, foliage, foot, fuzzy, ground, grow, growth, hand, handkerchief, healthcare, heat, hot, leg, light, lush, magic, maple, misty, pollen, pollution, problem, reproduction, seasonal, seed, seedling, sneeze, soft, source, tenderness, trail, twig, up, wood,