a research/nuclear scientist 开始学习
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an expert who studies or works in one of the sciences
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The project has attracted considerable criticism from the scientific community (= from scientists). 开始学习
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relating to science, or using the organized methods of science
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And we documented the public fears - or hopes - that geneticists will soon acquire the awesome power to determine the human future. 开始学习
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a person who studies genetics
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a person who studies physics or whose job is connected with physics
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carry out (an experiment / research) Dr Carter is carrying out research on early Christian art. 开始学习
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to do or complete something, especially that you have said you would do or that you have been told to do
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They made the discovery after studying a group of circus elephants. 开始学习
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to become aware of something that you did not know before.
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a company specializing in developing and marketing pharmaceuticals
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The new drug could be an important step in the fight against cancer. 开始学习
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any natural or artificially made chemical that is used as a medicine
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Does this drug have any side effects? 开始学习
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an unpleasant effect of a drug that happens in addition to the main effect
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They're asking for students to be guinea pigs in their research into the common cold. 开始学习
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a person used in a scientific test, usually to discover the effect of a drug on humans
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research studies performed in people that are aimed at evaluating a medical, surgical, or behavioral intervention.
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Peter might look a bit fierce, but actually he's fairly harmless. 开始学习
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not able or not likely to cause harm
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The new manager hoped to reverse the decline in the company's fortunes. 开始学习
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to change the direction, order, position, result, etc. of something to its opposite
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We drove along bumpy dirt roads for hours. 开始学习
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Michelangelo was apprenticed to Ghirlandaio in Florence for three years. 开始学习
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someone who has agreed to work for a skilled person for a particular period of time and often for low payment, in order to learn that person's skills
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a person who in the past made and sold medicines
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She flung open the window and inhaled deeply. 开始学习
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to breathe air, smoke, or gas into your lungs
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The operation is performed under anaesthetic. 开始学习
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a substance that makes you unable to feel pain
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podtlenek azotu; a type of gas with a sweet smell that is used as a weak anaesthetic (= substance that stops pain), especially by dentists
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azot; a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all living things
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He was arrested for taking part in revolutionary activities. 开始学习
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involved in or relating to a revolution
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a process in which blood that has been taken from one person is put into another person's body, especially after an accident or during an operation
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a person who gives some of their blood or a part of their body to help someone who is ill
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a disease that you can get from the bite of a particular type of mosquito (= a small flying insect). Malaria causes periods of fever and makes you shiver and feel very cold. It is common in many hotter parts of the world.
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gruźlica; a serious infectious disease that can attack many parts of a person's body, especially their lungs
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ołów; a chemical element that is a very heavy, soft, dark grey, poisonous metal, used especially in the past on roofs and for pipes and also for protection against radiation
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The hollow glass tank contains hot mercury vapour. 开始学习
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para, opar; gas or extremely small drops of liquid that result from the heating of a liquid or solid
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He contracted malaria while he was travelling. 开始学习
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to catch or become ill with a disease
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Now 95% of babies are immunized against diphtheria, tetanus, polio, measles, mumps, and rubella. 开始学习
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a serious infectious disease that can cause permanent paralysis (= being unable to move the body)
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The accident left him severely disabled. 开始学习
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not having one or more of the physical or mental abilities that most people have
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krążek linowy; a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain attached to the object can be easily raised or lowered
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She had been strangled with her own scarf and her body dumped in the woods. 开始学习
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to kill someone by pressing their throat so that they cannot breathe
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being or using the power produced when the nucleus of an atom is divided or joined to another nucleus
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a chemical element that is a metal used in the production of nuclear power, and in nuclear weapons
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Three minutes after the fire started, the house was full of lethal fumes 开始学习
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able to cause or causing death; extremely dangerous
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Many servicemen suffered radiation sickness after the early atomic tests. 开始学习
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a form of energy that comes from a nuclear reaction and that can be very dangerous to health
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prąd stały; electrical current that moves in one direction only
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The triathlon is a great test of stamina. 开始学习
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the physical and/or mental strength to do something that might be difficult and will take a long time
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This margarine is full of additives - just look at the label! 开始学习
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a substance that is added to food in order to improve its taste or appearance or to keep it fresh and stop it from decaying
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