翻译
  • 简明词典(词霸)
  • 柯林斯词典
  • 牛津词典
  • necessary

    高中/CET4/CET6

    • [ˈnesəsəri]
    • [ˈnesəseri]

    释义

    • 常用
    • 高考讲解
    • adj.
      必要的; 强制的; 必然的; 不可避免的;

    大小写变形:Necessary

  • 实用场景例句

    • 全部
    • 必要的
    • 强制的
    • 必然的
    • 不可避免的
    • 必需品

    Hospital admission is not necessary in most cases.

    大多数情况下,病人无须住院。

    ——《牛津高阶英汉双解词典》

    I do not wish to complicate the task more than is necessary.

    我不想使这项任务不必要地复杂化。

    ——《牛津高阶英汉双解词典》

    to go through all the formalities necessary in order to get a gun licence

    办理取得持枪执照的全部必要手续

    ——《牛津高阶英汉双解词典》

    She found it necessary to reassert her position.

    她觉得有必要重申她的立场。

    ——《牛津高阶英汉双解词典》

    For her, books were as necessary to life as bread.

    对她来说,书就像面包一样,是生活必需品。

    ——柯林斯例句

    He seems to be making all the arrangements necessary so that he can continue trafficking in drugs when he turns himself in.

    他似乎正在做好各种必要安排,以便他自首后还能继续贩毒。

    ——柯林斯例句

    The man could unerringly select the parts that were necessary to his task.

    这人能准确无误地挑选出完成他的任务所需要的部分。

    ——柯林斯例句

    They are not afraid to tackle the issues or let the sparks fly when necessary.

    他们不怕应对这些问题,也不怕必要时来一番激烈的争论。

    ——柯林斯例句

    We will use air power to protect UN peacekeepers if necessary.

    必要的话我们会动用空军保护联合国维和人员。

    ——柯林斯例句

    Make the necessary arrangements.

    做一下必要的安排。

    ——柯林斯例句

    Carbon dioxide is a necessary result of the oxidation of carbon compounds.

    碳化合物氧化后必然会产生二氧化碳。

    ——柯林斯例句

    From very early on he believed a military revolution was necessary and he has never deviated from that ideological path.

    他一早就认为军事革命是必要的,并且从未背离过这一思想路线。

    ——柯林斯例句

    And let me assure you I will use whatever force is necessary to restore order.

    我向你保证,我将动用一切必要力量来恢复秩序。

    ——柯林斯例句

    They are only doing what is necessary to prevent wholesale destruction of vegetation.

    他们只是在采取必要措施避免大规模的植被破坏。

    ——柯林斯例句

    Higher taxes may be a necessary evil.

    提高税收可能会很不受欢迎,但却是必要的。

    ——柯林斯例句

    All the rigging had been examined, and renewed where necessary.

    所有索具都进行了检查,并把该更换的部件全部更换一新。

    ——柯林斯例句

    He wasn't good navigator, so it is necessary that the coastline remain in sight as he moved from one harbor to the next.

    他不擅航海, 所以当他从一码头驶到另一码头时,得一直沿海岸线航行.

    ——《简明英汉词典》

    It's necessary for us to net the currant bushes.

    我们有必要用网盖上红醋栗树.

    ——《简明英汉词典》

    They has possessed themselves of all the necessary material.

    他们已取得了所有必要的材料.

    ——《简明英汉词典》

    It is both important and necessary to note this difference.

    注意到这个差距是重要的和必要的.

    ——《简明英汉词典》

    This has made it necessary for agriculture and industry to develop very quickly.

    这就使得工农业必须飞速发展.

    ——《简明英汉词典》

    It is necessary to exercise caution when making commendations.

    做推荐时有必要谨慎一些.

    ——《简明英汉词典》

    To join these two pieces of metal, it will be necessary to heat them.

    要把这两块金属接合起来, 就要将它们加热.

    ——《简明英汉词典》

    They were ready to die , if necessary, for their country.

    必要时, 他们愿为国捐躯.

    ——《现代汉英综合大词典》

    They always sum up their ( work ) experience whenever it is necessary, so they improve rapidly.

    他们总是随时总结经验, 所以工作质量提高很快.

    ——《现代汉英综合大词典》

    He believed that in building socialism it was necessary to make thorough plans on behalf of the state.

    他认为搞社会主义,要替国家好好打算盘.

    ——《现代汉英综合大词典》

    It's necessary for leading cadres to keep frequent contacts with the masses.

    领导应和群众经常见面.

    ——《现代汉英综合大词典》

    The ability to do this will be necessary in future flights to distant planets.

    将来飞往遥远的行星时,需要这样的能力.

    ——《用法词典》

    Is it necessary to send a car for them?

    用得着派车去接他们 吗 ?

    ——《现代汉英综合大词典》

    It is necessary to decrease the amount of coal used.

    必须减缩用煤量.

    ——《现代英汉综合大词典》

    收起实用场景例句
  • 真题例句

    • 全部
    • 四级
    • 六级
    • 高考
    • 考研

    Russell argues that as robots take on more complicated tasks, it's necessary to translate our morals into AI language.

    出自-2016年6月阅读原文

    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

    When turning work into a game, it is necessary to understand what makes games interesting.

    出自-2016年12月阅读原文

    Then, he's going to need to know the technical details of your system and acquire the specific equipment necessary for jamming your specific setup.

    出自-2016年12月阅读原文

    Sugar, alcohol and tobacco, economist Adam Smith once wrote, are commodities which are nowhere necessaries of life, which have become objects of almost universal consumption, and which are, therefore, extremely popular subjects of taxation.

    出自-2016年12月阅读原文

    It is possible for burglars to make jamming attacks with the necessary equipment and skill.

    出自-2016年12月阅读原文

    It is necessary to use terms other than gamification for some professions.

    出自-2016年12月阅读原文

    Adults tend to talk about learning as if it were medicine: unpleasant, but necessary and good for you.

    出自-2015年12月阅读原文

    People tend to take in a lot more calories than necessary.

    出自-2013年12月阅读原文

    Although Kodak anticipated the inevitable rise of digital photography, its corporate(企业的) culture was too rooted in the successes of the past for it to make the clean break necessary to fully embrace the future.

    出自-2013年6月阅读原文

    While such vigilant(警觉的)tracking of cancer is a good thing in general, researchers are increasingly questioning whether all of this testing is necessary for the elderly.

    出自-2012年12月阅读原文

    And if we keep working toward that goal, someday, perhaps a list won't be necessary.

    出自-2012年6月阅读原文

    This is necessary because full-time students probably have to read several hundred pages every week.

    出自-2014年6月听力原文

    She does not think it's necessary to stay home every day with the children and she knows a very reliable babysitter who's willing to come to her house.

    出自-2010年6月听力原文

    Make donations when necessary

    出自-2010年6月听力原文

    With fertilizer prices jumping nearly 50% per metric ton over the last year in some places, human waste is an attractive, and often necessary, alternative.

    出自-2016年6月阅读原文

    a basis for explaining human genetic diversityan aid to understanding different populationsan explanation for social and cultural differencesa term to describe individual human characteristicsmodern genetics research is likely to fuel racial conflictsrace is a poorly defined marker of human genetic diversityrace as a biological term can explain human genetic diversitygenetics research should consider social and cultural variablesit is absolutely necessary to put race aside in making diagnosisit is important to include social variables in genetics researchracial categories for genetic diversity could lead to wrong clinical predictionsdiscrimination against black people may cause negligence in clinical treatmentThey be more precise with the language they use.

    出自-2016年12月阅读原文

    While we argue phasing out racial terminology ( ' , 术语 ) in the biological sciences, we also acknowledge that using race as a political or social category to study racism, although filled with lots of challenges, remains necessary given our need to understand how structural inequities and discrimination produce health disparities ( ' , 差异 ) between groups, Yudell said.

    出自-2016年12月阅读原文

    One analyst suggests it is necessary to accept both the positive and negative aspects of innovative products.

    出自-2016年12月阅读原文

    Throughout these series, you will learn more about the profession, the necessary steps to get a social work degree, the rich history of social work and many ways that social workers help others.

    出自-2016年12月听力原文

    And we create opportunity for assessment and intervention, to help clients and communities cope effectively with the reality and change that reality when necessary.

    出自-2016年12月听力原文

    To find effective solutions to climate change, it is necessary to understand what motivates people to make change.

    出自-2015年12月阅读原文

    In particular, Arum and Roksa found, college students were not developing the critical thinking, analytic reasoning and other higher-level skills that are necessary to thrive in today's knowledge-based economy and to lead our nation in a time of complex challenges and dynamic change.

    出自-2015年12月阅读原文

    Therefore, team building may be necessary in order to improve the group’s performance.

    出自-2015年12月听力原文

    In order to see the world whole, the author thinks it necessary to have some disrance from the world.

    出自-2012年12月阅读原文

    The government fails to provide the necessary support.

    出自-2011年6月阅读原文

    They believe such a diet which includes no products from animal sources can be deficient in many of the necessary vitamins and minerals our bodies need.

    出自-2013年6月听力原文

    A code number is necessary to run the copy machine

    出自-2013年6月听力原文

    Whether the security checks were really necessary.

    出自-2012年12月听力原文

    A school boy or girl is unpunctual because he or she does not have the necessary human virtue of self-discipline.

    2015年高考英语陕西卷 阅读理解 阅读B 原文

    Believing in such a world, many governments have put an end to some of the very necessary regulations on cross-border flows of capital, labour and goods, with poor results.

    2019年高考英语江苏卷 阅读理解 阅读C 原文

    Every college discussion about community values, social climate and behavior should include recognition of the developmental importance of student autonomy and self-regulation, of the necessary tension between safety and self-discovery.

    2016年高考英语北京卷 阅读理解 阅读D 原文

    For many students, Wilson's help is not only appreciated, it's also entirely necessary for them to be able to complete their college education.

    2019年高考英语北京卷 完形填空 原文

    Hard work is necessary in one's achievements.

    2016年高考英语江苏卷 阅读理解 阅读D 选项

    In modern society, punctuality is a necessary virtue.

    2015年高考英语陕西卷 阅读理解 阅读B 原文

    It is necessary for us to think of others and be considerate to them.

    2015年高考英语陕西卷 阅读理解 阅读B 原文

    Loans to small local farmers are necessary.

    2018年高考英语江苏卷 阅读理解 阅读C 选项

    Nutrition is necessary for life, so it is not surprising that food is such an important part of different cultures around the world.

    2015年高考英语安徽卷 阅读理解 阅读E 原文

    One group was asked to seek out an interaction with its waiter; the other, to speak only when necessary.

    2018年高考英语全国卷2 阅读理解 阅读D 原文

    Persons in other cultural groups value silence and view it as necessary for understanding a person's needs.

    2016年高考英语全国卷1 阅读理解 阅读D 原文

    So, comfortable shoes are really necessary.

    2016年高考英语全国卷2 听力 原文

    Students should have a proper attitude towards college before thinking about which college to attend, and it's never too early to make necessary preparations for a healthy and meaningful college experience.

    2019年高考英语北京卷 语法填空 原文

    Unfortunately, you must carry the necessary equipment with you, since it's all but impossible to find natural substitutes.

    2017年高考英语全国卷1 阅读理解 阅读D 原文

    We're taught to read because it's necessary for much of human understanding.

    2019年高考英语天津卷 阅读理解 阅读B 原文

    When it comes to emotional support, the author thinks it necessary to surround yourself with supportive people.

    2015年高考英语福建卷 阅读理解 阅读E 题设

    This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance.

    出自-2009年考研阅读原文

    Progress in both area is undoubtedly necessary for the social, political and intellectual development of these and all other societies; however, the conventional view that education should be one of the very highest priorities for promoting rapid economic development in poor countries is wrong.

    出自-2009年考研阅读原文

    To be sure, he performs an impressive variety of interesting compositions, but it is not necessary for me to visit Avery Fisher Hall, or anywhere else, to hear interesting orchestral music.

    出自-2011年考研阅读原文

    Humanity has the necessary agro-technological tools to eradicate hunger, from genetically engineered crops to artificial fertilizers.

    出自-2013年考研阅读原文

    For him, order does not result from forgetting or ignoring the disorders that plague our existence; order is a necessary development, an improvement that may lead to the Greek ideal of spiritual elevation.

    出自-2014年考研翻译原文

    That is a necessary and practical approach.

    出自-2017年考研翻译原文

    If it clears the House, this measure would still have to get through the Senate where someone is bound to point out that it amounts to the bare, bare minimum necessary to keep the Postal Service afloat, not comprehensive reform.

    出自-2018年考研阅读原文

    Further arrangements- and there may be many-between the NHS and DeepMind will be carefully scrutinised to ensure that all necessary permissions have been asked of patients and all unnecessary data has been cleaned.

    出自-2018年考研阅读原文

    收起真题例句
  • 英英释义

    Noun

    • 1. anything indispensable;

      "food and shelter are necessities of life"

      "the essentials of the good life"

      "allow farmers to buy their requirements under favorable conditions"

      "a place where the requisites of water fuel and fodder can be obtained"

    Adjective

    • 1. absolutely essential
    • 2. unavoidably determined by prior circumstances;

      "the necessary consequences of one's actions"

    收起英英释义
  • 词根词缀

    词根: cess

    =go,表示"行走,前进"

    • adj.

      accessible 能接近的;可进去的

      access[n.接近;入口 v.存取, 接近]+ible能……的→adj.能接近的;可进去的

      accessory 附属的,同谋的

      access接近+ory表形容词或名词→接近的物→附加物,附属的

      excessive 过分的;过度的

      excess[n.过度,过剩]+ive……的→adj.过分的;过度的

      inaccessible 难以接近的

      in不+accessible[adj.能接近的;可进去的]→adj.难以接近的

      successive 连续的,继承的

      suc随后+cess行走,前进+ive……的→随后跟上→连续的

    • n.

      access 接近;入口

      ac接近+cess行走,前进→走近

      accessory 附件,零件,同谋者

      access接近+ory表形容词或名词→接近的物→附加物,附属的

      ancestor 祖先;祖宗

      an=ante前+cest=cess行走,前进+or人→走在前面的人→祖先

      ancestry 祖先;世系,家世

      an=ante前+cest=cess行走,前进+ry整体→n.祖先;世系,家世

      concession 让步;退位

      con共同+cess后退+ion动作或状态→n.让步;退位

      excess 过度,过剩

      ex出+cess行走,前进→n.过度,过剩

      necessary 必需品

      ne=need需要+cess行走,前进+ary物→n.必需品

      necessity 必要性, 需要,必需品

      ne=need需要+cess行走,前进+ity性质,特性等→n.必要性, 需要,必需品

      procession 队伍,行列

      process[n.过程;进行 v.加工, 处理]+ion表名词→向前走的队伍

      recess 休息;隐居

      re回+cess行走,前进→走回去→休息

      recession 撤退;交还

      re回+cess行走,前进+ion动作或状态→走回去→撤退

      success 成功;胜利

      suc随后+cess行走,前进→随后跟上→继续→继续做→成功

      succession 接连发生,继承, 继任

      suc随后+cess行走,前进+ion动作或状态→随后跟上→继续发生→继续别人[事业,成功]→继承, 继任

    • v.

      access 存取, 接近

      ac接近+cess行走,前进→走近

  • 词组搭配

    a necessary evil

    something that is undesirable but must be accepted

    无法避免的坏事;不得已的事

    收起词组搭配
  • 同义词辨析

    indispensable, essential, necessary, requisite

    这些形容词均有"必不可少的,必需的"之意。

    • indispensable: 语气强,侧重指绝对必要性或不可缺少性。
    • essential: 指对事物本身性质具有决定性的重要性,暗含不可缺少,否则便无法存在。
    • necessary: 最常用词,侧重由客观因素决定的某种需要,强调不可避免,但并非绝不可缺少。
    • requisite: 正式用词,特指为实现某一目的或得到某种结果而应有的需要,有时可与necessary换用。
  • 同义词

    adj.必要的,必需的

    importantcompellingcompulsoryneededrequiredessentialexigentimperativeobligatoryurgent

    其他释义

    neededbasicimperiousindispensablepressingdesiredrequiredexigentnecessityobligatoryimportantsignificantcompellingvitalurgentimperativeessentialcompulsory

  • 反义词

    adj.必要的,必需的

    unnecessaryneedless

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