Vitamins ---- Translation1. Researchers found that the level of vitamin C stored in the body of the victim with a common cold fell drastically and was close to the level of people suffering from scurvy.2. Minor degrees of vitamin C deficiency are common, though outright scurvy only occur when the diet is markedly deficient in fresh fruits and vegetables.3. Vitamins are organic compounds that must be supplied in the diet or injected into the body to maintain health.4. Vitamins produce no energy but play an essential role in the transformation of energy and in the regulation of metabolism.5. Vitamins are classified/distinguished by the letters of the alphabet, such as vitamins A, C, D, E, K and the B-complex.6. Vitamins and minerals are found in small amounts and are needed in minute quantities, as compared with the other nutrients.7. The diseases which develop from the absence of vitamins are known as vitamin deficiency diseases. For example, a lack of vitamin A brings about night blindness; a deficiency of vitamin D results in rickets.8. Some vitamins are soluble in fats whereas others are soluble in water. They are, therefore, termed fat-soluble and water soluble vitamins respectively.9. In addition to the general nutrients, another two groups of nutrients, vitamins and inorganic, or mineral, salts are also required by the body.10. M ost nutrients contain more than one nutrient, but no single food contains all the nutrients in the amounts you need.食物抗癌1. O verwhelming statistical evidence shows that smokers are more likely to develop cancer of the lung, throat, and tongue than are non-smokers.2. F ruits and vegetables are chock-full of a variety of antioxidants which can snuff out oxygen free radicals, substances that are thought to make cells more susceptible to cancer.3. A well-balanced diet will give your body various nutrients of vitamins, minerals, proteins, starches, and sugars that it needs to operate smoothly.4. T he risk of lung cancer is directly related to the number of cigarettes smoked each day--the higher the number, the higher the risk.5. E ven smokers may be protected from developing lung cancer by a daily portion of carrots, spinach or any other vegetables and fruits.6. S ome studies of animals and humans have suggested that vitamin A offers some protection against lung cancer.7. F urther studies will be necessary before the link between lung cancer and carotene can be firmly established.8. A nimal studies show that garlic blocks carcinogens that have been linked to colon and stomach cancer.9. A diet of more fruits and vegetables will undoubtedly play a major role in reducing cancer incidence as well as the number of deaths caused by the disease.10.Beta-carotene not only has a direct toxic effect on tumor cells, but also reduces the growth of lung-cancer cells and altered the proteins needed for tumors to grow.化学与物质----Translation1. B riefly speaking, a scientist differs from an artist mainly in that a scientist not only interprets the outer world, but also tries to transform it into a better one.2. S cience begins with necessity, curiosity, and questions about the unexplained phenomena in nature.3. T he ways in which an element or a compound combines or reacts with other things are its chemical properties.4. T he chemist is interested in the composition and properties of substances and the transformations they undergo during a chemical reaction.5. I t is very easy to fall into the habit of taking some painkiller when there is any slight pain.6. T he delicate operations performed by surgeons today would not be possible without anesthetics.7. T oday it is generally recognised that the human body is a chemical factory in which countless complex chemical and physicalchanges are constantly taking place.8. T he substance salt is composed of the metal sodium and the corrosive gas chlorine, but its chemical properties are quite different from those of sodium and chlorine.9. C hemotherapy is the treatment of disease by the administration of chemical substances which kill or prevent the growth of pathogenic organisms within the body.10.Substances that lessen pain but do not affect other sensations are called pain relieving drugs.麻醉药Translation1. It is not many years since a man who had to have an operation felt all its pain.2. I t is attributable to the discovery of anesthetics that surgeons can now perform all kinds of operations without causing pain.3. S pinal anesthesia produces excellent anesthesia and relaxation for the performance of many operations on the lower parts of the body.4. T he exact mechanism in which the general anesthetic drugs exert their effect on the brain is still unknown, although many theories have been proposed.5. T he introduction of anesthetics to surgery has made possible much more delicate and lengthy operations, thus greatly extending the field of surgery.6. N arcotics are applied to those drugs which are sedative in their action upon the body but which also produce insensibility to pain.7. C ontrary to what one might think, it’s only 50 years or so since penicillin, the antibiotic once regarded as the wonder drug, came into being.8. S cientists point out that since the sedative action of a drug results from its effect on the nerves, it must possess solubility in the fluids of the body which surround the nerves.9. A n anesthetic must be volatile if it is to be administered through oral inhalation, while those which can be administered through the rectum or injected into the spine do not have to be volatile.10.In spite of the danger of a patient’s contracting pneumonia after the use of ether as an anesthetic, ether is still widely em ployed because the anesthesia it produces is one of deep relaxation.绿色药房-草药Translation1. T he plant kingdom was once man’s only pharmacy. Yet when you enter a modern chemist’s shop today, you can hardly find a sign of the use of plants in medicine.2. T oday the number of plants used in medicine has decreased, but hidden away in many pills, capsules, and medicine bottles are the active chemicals originally found in the plant kingdom.3. S ome chemicals which plants make may be poisonous, others may be chemicals that are extremely valuable to us as medicines.4. D uring the many thousands of years that man has been on the earth, he has been trying out various plants that grew around him.5. T here has existed for many years mistrust, suspicion or hostility between the orthodox and the herbal practitioner which threatens the possibility of a good working relationship.6. W hen one considers the therapeutic impact of quinine, it is evident how great is the debt of medicine to plant-derived drugs.7. H owever, the past few decades have witnessed an obvious diminution in the number of plant-derived drugs introduced into medicine.8. T he legacy of traditional Chinese medicine is a treasure house with an inexhaustible supply of new potential drugs which is to be explored with an introduction of new approaches.9. H ad pharmacological approaches not been introduced into the investigation of Vinca rosea, the discovery of vincalcukoblastine would have been postponed by many years.10.Western practitioners find it difficult to believe that someone who knows nothing of a disease mechanism could still be capable of curing it.Natural Products1. One of the oldest of human activities is the study of plants and animals, particularly as sources of food.2.From the earliest times man had to distinguish between those plants which were poisonous and those which were not and there graduall y developed a knowledge of natural drugs.3. As late as the beginning of the present century pharmacognosy had developed mainly on the botanical side, being particularly concerned with the description and identification of drugs.4.Undoubtedly the plant kingdom still holds many species of plants containing substances of medical value which have yet to be discover ed.5. As a result of modern isolation and pharmacological testing procedures, new plant drugs usually find their way into medicine as purified substances.6. Many of the botanical, chemical and physical techniques employed in pharmacognosy are also applicable to the analysis of other comm odities, such as foods, spices and cosmetics.7. While pharmacognosy has been generally studied for practical purposes and may thus be called an applied science it has played an imp ortant role in the development of the pure sciences.8. Recent phytochemical examination of plants which have a suitable history of use in folklore for the treatment of cancer has, indeed, oft en resulted in the isolation of principles with antitumour activity.9. The growth of knowledge of biochemistry and physiology, which led to the concept of the chemical control of biological processes, has been of particular importance for pharmacology.10. Primitive man depended on preventive use of nature’s stock of plants and herbs to avoid disease and to maintain health and vigor.有机化学Translation1. The remarkable advances made in modern medicine would not have been possible without the aid of chemistry.2. Since the body is essentially a chemical machine, a knowledge of the chemistry of bodily functions seems essential to the physician.3. The production of food by plants and animals involves the rearrangement of atoms in molecules.4. Fortunately, few kinds of work seem to urge people on to success more effectively than does the pursuit of chemistry.5. So far the motive behind the search for synthetics has been a wish to produce better things for less money, and for more people.6. Isolation of increasing numbers of purified materials from living forms and recognition of the fact that all contained carbon gave birth to organic chemistry.7. When coal is burned in a furnace it combines with oxygen to give carbon dioxide, a new substance with different composition and properties from coal and oxygen.8. Many specific chemical reactions are important because of the energy which they use or supply.9. In the study of organic chemistry, students are expected to use familiar symbols which are constructed into two- or three-dimensional molecular formulas.10.From the food we eat, the clothes we wear to the buildings we live in, all have been fashioned to a considerable extent by organic chemistry.新药研制1 Translation1. F ormerly, drugs were extracted from natural plants and animal sources, and therapeutic use was based on traditional experience.2. D rug development strategies involve serendipity, molecular roulette, programmed basic research with synthesis of specific chemical, etc..3. T hough it’s the most satisfying in the development of new drugs, the approach is expensive and there is no guarantee of succe ss.4. W hen a drug is used by millions, there are certain to be adverse reactions even though the risk to any individual is small.5. M ost drugs have a safe upper limit of dosage; beyond this toxic effects may be expected to occur.6. P enicillin, one of the most powerful killers of bacteria was discovered quite by accident by Alexander Fleming.7. P harmacological experiment on a new drug determines whether the drug has the desired profile of action in model system.8. T he increase in knowledge of biochemical mechanisms results in a more rational approach to the development of new drugs.9. E xtensive formal toxicological tests are required before a new drug can be used on patients.10.Chemists and biologists have now attached great importance to such fields of research as molecular biology and biochemicalpharmacology.新药研制2 Translation1. T he rationale for the development of new drugs should be provide better drugs; better in the sense of being either more effective, safer or cheaper.2. T he representative of the pharmaceutical manufacturer has been specially trained to promote his particular new product.3. O nly after animal studies have proved efficacy can clinical evaluation of new drugs be undertaken.4. N ew drug evaluation in man can be divided into four phases each of which should be conducted under strict supervision.5. A dose-ranging study should only be performed on volunteers who are informed about the implications of the tests, and who give their consent freely.6. D ose-ranging studies should only be performed under medical supervision, as there exist some possible risks during the test.7. L arge scale clinical trials in Phase 3 are to establish new drug’s profile of action and frequency of adverse effects.8. T he expensive cost in drug development is borne by the pharmaceutical manufacturer, which justifiably expects to recoup it when the product is finally marketed.9. I nformation about the new drug published in well-established journals is more reliable than that offered by the medical representative whose livelihood depends on the ability to promote the product.10.Heavy investment in promotion has not simply led to the use of undistinguished new drugs, but to a higher cost of the drugs as well.药理学范畴Translation1. T he science of the effects of drugs on the body is called pharmacology, and the scientists who study it are pharmacologists.2. P harmacology is not a science that can be studied on its own, but that closely related to other branches of science.3. P harmacologists should not only understand the normal processes that take place in the body, but know how the functions of the body are affected by disease.4. P roperly used, drugs are great blessing to mankind; improperly used, they could destroy the race.5. D uring the first part of the twentieth century there have been enormous strides in the field of pharmacology.6. M an continues to strive, not only for a longer life span, but for a healthier one as well.7. W ith the frequent use of more than one therapeutic agent by a patient, particularly the elderly, drug interactions that result in toxicity are likely events.8. T he clinician is interested primarily in drugs that are useful in the prevention, diagnosis, and treatment of human diseases.9. M ost of the natural drugs are now highly purified and differ little from synthetic chemicals, the interests of the clinician in pharmacognosy are correspondingly decreased.10.As a border science, pharmacodynamics borrows freely from both the theories and experimental techniques of physiology, biochemistry, immunology, pathology, etc..良药滥用-----Translation1. A lthough the development of antibiotics has been of incalculable benefit to mankind, it has also given rise to serious complications.2. T he widespread use of antibiotics has resulted in the natural evolution of strains of disease germs which are resistant to such medications.3. A new multidrug-resistant tuberculosis, now prevalent in the world, causes serious infections that may not respond to chemotherapy.4. S ome antibiotics are effective against a large range of microorganisms, they are, therefore, known as broad-spectrum antibiotics.5. S ome drugs may not cause physical dependence, or addiction, but many persons do become habituated to their use.6. D rug abuse is thought of as the misuse of drugs potentially harmful to the individual user or to society.7. M any persons, believing that antibiotics can cure any disease, press their doctors for a dose of penicillin for such virus ailment as influenza.8. A ddiction is the body’s continued need for drug s because of their physiological effects after they are first taken.9. I n comparison, the inadequacies and potential dangers of antibiotics are much less widely known.10.Antibiotics are used so carelessly around the world that they are creating a new health threat to mankind.抗癌的食物（全文翻译）现在饮食开始被考虑作为抵抗癌症的主要武器。
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