Ключевые слова: amount, animal, background, biology, biotechnology, bottle, care, celebration, chemical, chemistry, concept, distrustful, equipment, flask, gift, glass, glassy, hairy, idea, instrument, jar, lab, laboratory, light, little, mammal, medical, medicine, mice, microbiology, mouse, mousetrap, new, newyear, nose, nosey, rat, research, science, scientific, small, tail, tool, transparent, tube, white, year,