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significant
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音标：英 [sɪg'nɪfɪk(ə)nt] 美 [sɪɡ'nɪfɪkənt]
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解释：
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adj. 重大的；有效的；有意义的；值得注意的；意味深长的
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n. 象征；有意义的事物
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助记提示：
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1、sign- + -ificant(复合后缀).
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中文词源：
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significant 重要的，有意义的sign,标记，记号，-fic,做，使，词源同 fact,efficient.引申比喻词义重要的，有意义的等。
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英文词源：
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significant (adj.)
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1570s, "having a meaning," from Latin significantem (nominative significans, present participle of significare "make known, indicate" (see signify). Earlier in the same sense was significative (c. 1400). Often "having a special or secret meaning," hence "important" (1761). Related: Significantly. Significant figure is from 1680s. Significant other (n.) attested by 1961, in psychology, "the most influential other person in the patient's world."
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双语例句：
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1. Today's Security Council resolution will be a significant success for American diplomacy.
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今天的安理会决议对于美国外交而言是一次重大的成功。
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来自柯林斯例句
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2. The learner's attention needs to be directed to the significant features.
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需要将学习者的注意力引向那些着重点上。
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来自柯林斯例句
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3. The company looks poised to make a significant breakthrough in China.
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这家公司看来很有把握在中国取得重大突破。
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来自柯林斯例句
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4. It was clear that there was significant support for the Islamists.
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显然伊斯兰教徒获得了相当多的支持。
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来自柯林斯例句
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5. Two significant constants have been found in a number of research studies.
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若干研究已经发现了两个重要常量。
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来自柯林斯例句
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更多相关例句：
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a highly significant discovery
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有重大意义的发现【牛津词典】
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The results of the experiment are not statistically significant .
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从统计学的观点看，实验结果意义不明显。【牛津词典】
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There are no significant differences between the two groups of students.
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这两组学生没有明显差别。【牛津词典】
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Your work has shown a significant improvement.
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你的工作有了显著改进。【牛津词典】
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It is significant that girls generally do better in examinations than boys.
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很明显，女生的考试成绩一般比男生的好。【牛津词典】
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It is significant that he changed his will only days before his death.
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他在临终前几天修改遗嘱，这很能说明问题。【牛津词典】
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a significant look/smile
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意味深长的眼神 / 微笑【牛津词典】
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A small but significant number of 11-year-olds are illiterate.
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数量不多但仍有相当一部分 11 岁孩子是文盲。【柯林斯高阶英语词典】
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...foods that offer a significant amount of protein...
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富含蛋白质的食物【柯林斯高阶英语词典】
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Time would appear to be the significant factor in this whole drama.
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时间似乎是整部剧中一个举足轻重的因素。【柯林斯高阶英语词典】
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...a very significant piece of legislation...
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一条非常重要的法规【柯林斯高阶英语词典】
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Mrs Bycraft gave Rose a significant glance.
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拜克拉夫特夫人意味深长地瞥了罗丝一眼。【柯林斯高阶英语词典】
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Penicillin was an extremely significant medical discovery.
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青霉素是极其重要的医学发现.【《简明英汉词典》】
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I haven't noticed any significant reduction in the performance of my car since switching to unleaded fuel.
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用无铅汽油后,我发现汽车性能并没有明显降低.【《简明英汉词典》】
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Some of the most significant issues were neglected.
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最重要的问题中,有些被忽略了.【《简明英汉词典》】
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I don't think that is significant.
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我认为那没有什么用意.【《简明英汉词典》】
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The move stopped the pound's decline but failed to bring about a significant rally.
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这个行动制止了英镑的下跌,但是未能使比价有很大上升.【《现代汉英综合大词典》】
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This is a significant contribution to knowledge.
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这是对知识的重大贡献.【《简明英汉词典》】
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There are no significant differences between the education systems of the two countries.
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这两国的教育制度没有大的差别。【《牛津高阶英汉双解词典》】
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a highly significant discovery
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有重大意义的发现【《牛津高阶英汉双解词典》】
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The research is too unfocused to have any significant impact.
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这一次的研究太零散，难以发挥重大的作用。【《牛津高阶英汉双解词典》】
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Today's Security Council resolution will be a significant success for American diplomacy.
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今天的安理会决议对于美国外交而言是一次重大的成功。【柯林斯例句】
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The offer of talks with Moscow marks a significant change from the previous western position.
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提议与莫斯科举行会谈标志着西方立场的重大转变。【柯林斯例句】
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When she died in 1946, her friends wanted to memorialize her in some significant way.
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她1946年去世的时候，她的朋友们希望以某种隆重的方式纪念她。【柯林斯例句】
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Between 70 and 80 councils face significant spending cuts or capping next year.
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有70到80个地方议会明年面临支出大幅削减或受到严格限制。【柯林斯例句】
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The report says America's urbanization will continue to be the most significant issue affecting the industry, as cities across the country imitate the walkability and transit-oriented development making cities like New York and San Francisco so successful.【出自-2017年6月阅读原文】
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Another trend that looks significant in 2015 is that America's largest population group, Millennials ( ' , 千禧 一代), will continue to put off buying a house.【出自-2017年6月阅读原文】
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Whether residents felt involved in the decision to move and how long they had lived there also proved significant.【出自-2016年6月阅读原文】
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Now a third and far more significant motivation presents itself: meeting these goals may be necessary to prevent the collapse of our civilization.【出自-2016年6月阅读原文】
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In a multi-state study of assisted living , for instance, University of North Carolina researchers found that a host of variables—the facility's type, size or age; whether a chain owned it; how attractive the neighborhood was—had no significant relationship to how the residents fared in terms of illness, mental decline, hospitalizations or mortality.【出自-2016年6月阅读原文】
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Despite being unaware that there were two types of instruction, teachers reported significant motivational changes in 27% of the children in the growth mind-set workshop as compared with only 9% of students in the control group.【出自-2016年12月阅读原文】
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The reaction to his death, with people leaving candles and flowers outside Apple stores and politicians singing praises on the internet, is proof that Mr Jobs had become something much more significant than just a clever money-maker.【出自-2012年12月阅读原文】
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Among the kinds of social gestures most significant for second-language teachers are those which are identical in form but different in meaning in the two cultures.【出自-2014年6月听力原文】
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That day he ran into a roll-up door at the Lummis facility in Valero, causing significant damage to the door.【出自-2013年12月听力原文】
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A 2009 University of British Columbia study of women with an eating disorder who were taught to knit found that learning the craft led to significant improvements.【2017年12月四级真题（第三套）阅读 Section B】
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Another trend that looks significant in 2015 is that America's largest population group, millennials, will continue to put off buying a house.【2017年6月四级真题（第二套）阅读 Section C】
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Dating back to 1880, the most common living arrangement among young adults has been living with a romantic partner, whether a spouse or a significant other.【2019年6月四级真题（第二套）阅读 Section B】
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Despite being unaware that there were two types of instruction, teachers reported significant motivational changes in 27% of the children in the growth mindset workshop as compared with only 9% of students in the control group.【2016年12月四级真题（第二套）阅读 Section B】
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In a multi-state study of assisted living, for instance, University of North Carolina researchers found that a host of variables—the facility's type, size or age; whether achain owned it; how attractive the neighborhood was—had no significant relationship【2016年6月四级真题（第三套）阅读 Section B】
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In an all girls setting, girls are more likely to speak up frequently and make significant contributions to class than in a coeducational setting.【2019年12月四级真题（第一套）听力 Section C】
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The fifth largest city in US passed a significant soda tax proposal that will levy 1.5 cents per liquid ounce on distributors.【2019年12月四级真题（第一套）阅读 Section C】
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The most recent National Journal poll asked respondents about the American dream, what it takes to achieve their goals, and whether or not they felt a significant amount of control over their ability to be successful.【2017年12月四级真题（第三套）阅读 Section C】
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The report says America's urbanization will continue to be the most significant issue affecting the industry, as cities across the country imitate the walk ability and transit oriented development making cities like New York and San Francisco so successfu【2017年6月四级真题（第二套）阅读 Section C】
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The recent discovery of the giant Zohr gas field off the Egyptian coast will eventually have impact on pricing in the Mediterranean region and Europe, and there is significant development potential in many other places, notably Argentina.【出自-2017年6月阅读原文】
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Carli says that one of the most significant things about his study is that it provides new early-warning signs for parents, teachers and mental health-care providers.【出自-2016年12月阅读原文】
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on average, only 12 to 14 hours a week studying and many were skating through their semesters without doing a significant amount of reading and writing.【出自-2015年12月阅读原文】
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While that may make suborbital travel safer, it would add significant cost and complexity to an emerging industry that has until now operated largely as the playground of billionaires and dreamy engineers.【出自-2015年12月阅读原文】
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They typically carry financial burdens that outweigh those of their peers, are more likely to work while attending school, and often require significant academic remediation ( ' , 补习 ).【出自-2015年12月阅读原文】
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Our support structure was more like: ‘You are going to get through Y】
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