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expansion
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音标：英 [ɪk'spænʃ(ə)n; ek-] 美 [ɪk'spænʃən]
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解释：
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n. 膨胀；阐述；扩张物
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英文词源：
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expansion (n.)
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1610s, "anything spread out;" 1640s, "act of expanding," from French expansion, from Late Latin expansionem (nominative expansio) "a spreading out," noun of action from past participle stem of Latin expandere "to spread out" (see expand).
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双语例句：
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1. This revolutionary expansion required energetic nation-building policies.
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这种跨越式的扩张需要有活力的国家建设政策。
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来自柯林斯例句
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2. The memory expansion cards are useful adjuncts to the computer.
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内存扩充卡是计算机很有用的附件。
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来自《权威词典》
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3. the expansion and contraction of the metal
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金属的膨胀与收缩
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来自《权威词典》
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4. a period of rapid economic expansion
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经济迅猛发展期
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来自《权威词典》
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5. We mustn't attempt unrestricted expansion regardless if it is within our capacity.
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我们不能不顾自己的能力企图无限制地发展.
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来自《简明英汉词典》
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更多相关例句：
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a period of rapid economic expansion
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经济迅猛发展期【牛津词典】
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Despite the recession the company is confident of further expansion.
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尽管经济衰退，公司对进一步扩展仍充满信心。【牛津词典】
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The book is an expansion of a series of lectures given last year.
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本书是去年举行的系列讲座的扩充。【牛津词典】
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...the rapid expansion of private health insurance.
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个人健康保险的迅速发展【柯林斯高阶英语词典】
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...a new period of economic expansion...
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经济发展的新时期【柯林斯高阶英语词典】
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To prevent unlimited expansion of mental damage system, the certain restrictions of mental damage is inevitable.
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为防止对受害人精神利益的保护无限扩大,对违约精神损害赔偿进行一定的限制也是不可避免的.【期刊摘选】
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GS: What environments are planned for the missions in the expansion?
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资料片里任务设计是什么样的环境?【期刊摘选】
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Adjusting technology and operating parameters were studied when rapeseed prepressing extraction was remaked expansion extraction.
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摘要研究了将菜籽预榨浸出改造为膨化浸出的工艺设备和操作参数的调整.【期刊摘选】
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Even more important was the remarkable expansion of public high schools from 1900 to 1920.
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更为重要的是,从1900年到1920年,公立中学显著增加.【辞典例句】
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Expansion board , may provide the user with additional memory, graphics, colour, communications features, etc.
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它可以给与使用者额外的存贮量 、 美术 、 颜色 、 通信竺特色.【期刊摘选】
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The expansion of deserts must be stopped if we are to survive on this planet.
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如果我们想在这个星球上生活下去,沙漠扩张的势头必须得到遏止.【期刊摘选】
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In expansion games , Whirlwind is now properly modified by weapon speed.
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资料版中旋风受武器速度影响!【期刊摘选】
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We mustn't attempt unrestricted expansion regardless if it is within our capacity.
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我们不能不顾自己的能力企图无限制地发展.【《简明英汉词典》】
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The company has promised wide consultation on its expansion plans.
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该公司允诺就其扩展计划广泛征求意见.【《简明英汉词典》】
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Expansion joints of various kinds are fitted on gas mains.
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各种各样的伸缩接头被安装在煤气的总管道上了.【《简明英汉词典》】
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There are plans for the expansion of our school building.
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有扩大我们学校建筑的计划.【《现代英汉综合大词典》】
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Their desire for expansion has increased.
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他们的扩张欲望有增无减.【《现代汉英综合大词典》】
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The plan will give an impulse to industrial expansion.
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这个计划将促进工业的扩展.【《简明英汉词典》】
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The runway of this airport is undergoing expansion to accommodate large planes.
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这个机场的跑道正在扩建以适应大型飞机起落.【《现代汉英综合大词典》】
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A rise in the temperature of the gas results in its expansion.
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气体温度上升致使气体膨胀.【《现代汉英综合大词典》】
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The forces of expansion are balanced by forces of contraction.
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扩张力和收缩力相互平衡.【《简明英汉词典》】
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Future expansion of the business calls for two new factories.
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将来业务扩大需要建造两个新工厂.【《现代汉英综合大词典》】
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If a metal bar is heated, the greater the heat applied, the larger the expansion.
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如果把一根金属棒加热, 热度越高, 膨胀就越大.【《现代英汉综合大词典》】
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His big book is an expansion of the little book he wrote before.
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他这本大部头的书是在他以前写的一本小册子的基础上扩充而成的.【《简明英汉词典》】
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Expansion joints of various kinds are fitted on steam pipes.
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各种各样的伸缩接头被安装在蒸气管道上了.【《简明英汉词典》】
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Industrialization inevitably led to the expansion of the urban working class.
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工业化不可避免地导致了城市工人阶级人数的增多.【《简明英汉词典》】
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All this has been done as excuses for their continued pursuance of a policy of aggression and expansion.
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这一切都是为其坚持侵略扩张政策制造借口.【《现代汉英综合大词典》】
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The memory expansion cards are useful adjuncts to the computer.
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内存扩充卡是计算机很有用的附件。【《牛津高阶英汉双解词典》】
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the expansion and contraction of the metal
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金属的膨胀与收缩【《牛津高阶英汉双解词典》】
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It's also pushing ahead in 2016 with an expansion of Bluemercury, the beauty chain it bought last year.【出自-2017年6月阅读原文】
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Chinese officials say the expansion in Antarctica prioritises scientific research, but they also acknowledge that concerns about resource security influence their moves.【出自-2016年12月阅读原文】
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American scientists complain about lack of sufficient money and equipment for their expansion in Antarctica.【出自-2016年12月阅读原文】
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Land Usage: Over the last five decades, improved farming techniques and technologies have helped to significantly increase crop yields along with a 12% expansion of farmed land use.【出自-2013年12月阅读原文】
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A further expansion of farming area will adversely impact on the world's natural ecosystems【出自-2013年12月阅读原文】
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Over the past two years, the figures on imports and exports seem not to signal a double-dip recession – a renewed decline in the broad level of economic activity in the United States – but an economic expansion.【出自-2011年12月阅读原文】
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The robot who rescues Spooner's life in I, Robot follows Asimov's zeroth larobots cannot harm humanity as opposed to individual humans or allow humanity to come to harm—an expansion of the first law that allows robots to determine what's in the greater go【2017年12月六级真题（第二套）阅读 Section C】
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Because of changes to methods of working, new designs allow for expansion or movement of desks, storage, and equipment within the workstation.【2015年高考英语上海卷 选词填空 原文】
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Most leading retailers have already tried e-commerce, with limited success, and expansion aboard.【出自-2010年考研阅读原文】
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The report also advocates greater study of foreign languages, international affairs and the expansion of study abroad programs.【出自-2014年考研阅读原文】
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Most leading retailers have already tried e-commerce, with limited success, and expansion abroad.【2010年考研真题（英语一）阅读理解 Section Ⅱ】
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