administer: to manage and organize the affairs of a company, an organization, a country, etc.; to give drugs, medicine, etc. to sbadministrate: 尽管某些词典有这一词条，同administer的”管理”之义，专家建议尽量不用。The dose was administered to the child intravenously.The Internet opens up new ways of administrating the tax system.adverse:unfavorable; harmfulaverse:strongly disliking; opposedThis drug is known to have adverse side effects.He was averse to any change.advise: (verb) to recommendadvice: (noun) recommendationThe minister advised him to leave as soon as possible.Take my advice and stay away from him!affect:(verb) to influence, to have an impact oneffect:(noun) a result, a consequence; (verb) to bring about, to causeNicotine adversely affects the functioning of the heart and arteries.The crisis had a negative effect on trade.alternate: happening or following one after the other regularlyalternative: available as another possibilityThroughout the night, people alternate between passive and active sleep.New ways to treat arthritis may provide an alternative to painkillers.all together: all in one place; all at oncealtogether: completely; on the wholeCan you put your books all together in this box?The choice of language is altogether different.artefact: artificial effect, often due to experimental errorartifact: object produced or shaped by human craftBut this does not mean China's economic miracle has been just a statistical artefact.They also repair broken religious artifacts.bear: (verb) to carry; to put up withThe hills above the valley are bare rock.The houses bear the marks of bullet holes.beside: at the side of, next toOn the table beside an empty plate was a pile of books.We have lots of things in common besides music.born: having started lifeborne: (bear的过去分词) carriedShe was born in the fifties.It must be borne in mind that the victory is hard-won.site: a place where something is locatedThe officials didn’t cite particular reports.The site is off-limits to the general public.classic: an excellent or defining version of somethingclassical: descriptions of things like the civilizations of ancient Greece and Rome or the orchestral music of the 18th and 19th centuriesThe book is now recognized as a classic.He plays classical music, as well as pop and jazz.complement: to add to so as to improve; an improving additioncompliment: to praise or express approval; (noun) an admiring remarkThe team needs players who complement each other.You can do no harm by paying a woman compliments.compose: to combine to form a wholecomprise: to have sb/sth as parts or members (一些保守派学者提倡禁用be comprised of，尽管某些词典承认这种用法)Protein molecules compose all the complex working parts of living cells.The collection comprises 327 paintings.continual: ongoing but with pause or interruption, starting and stoppingLife was a continual struggle for them.Continuous exposure to sound above 80 decibels could be harmful.discreet:careful not to attract attentiondiscrete: separate and distinctYou ought to make a few discreet enquiries before you sign anything.Atoms are made up of discrete particles.ensure: to make certain that something will happeninsure: to provide compensation for death or lossThe book ensured his success.The painting is insured for $1 million.invoke: to mention a person, a theory, an example, etc. to support your opinions or ideasThe music evoked memories of her youth.She invoked several eminent scholars to back up her argument.historic: important in historyhistorical: connected with the pastThe area is of special historic interest.You must place these events in their historical context.more important: (adjective phrase) what is more importantmore importantly: (adverbial phrase) in a more important mannerMore important, the cancer spread to the liver.In the assessment, the leak was viewed more importantly than it should have been.nauseated: to feel sick to one’s stomachnauseous: causing one to become sickThe fumes caused us to become nauseated.principal: most important; the head of a schoolprinciple: a fundamental rule or beliefThe principal reason for this omission is lack of time.There are three fundamental principles of teamwork.它们是不是都长得很像？就连母语是英语的作者有时都会将这些形近词弄错呢。积累词汇有很多方法，比如定期阅读研究领域内的前沿热点文章。不过经验告诉我们，科技词汇不止会出现在科技类文章中，广泛地阅读不仅能扩展知识面，更能扩展词汇量。
