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        考研:考研寫作

        時(shí)間:2021-08-21 09:28:02 考研學(xué)習(xí) 我要投稿

        考研必備:考研寫作

          image - a reproduction of the appearance of a person or thing

        考研必備:考研寫作

          laser - an instrument that makes a thin, powerful light

          magnet - a piece of iron or other material that has a pulling force; this pulling force is called magnetism

          molecule - the smallest amount of a chemical substance that can exist

          nerve - a thin piece of tissue that sends information through the body to and from the brain

          nucleus - the center part of an atom or cell

          nucleic acid - a molecule that holds the genetic information necessary for life; there are two kinds of nucleic acid: DNA and RNA

          nutrient - a food or substance that makes plants, humans or animals grow

          organ - a part of the body that has a special purpose, such as the heart or brain

          organism - a living thing, often so small it can be seen only through a microscope

          particle - a very small piece of matter

          proteins - substances responsible for the growth of tissue and for fixing damaged tissue

          robot - a machine that moves and performs tasks

          tissue - living material; a group of cells that are similar in appearance and do the same thing

          virus - a kind of organism that causes disease

          x-rays - a kind of radiation that can pass through most solid materials, often used in medicine

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