necessary

高中CET4CET6

英[?nes?s?ri]
美[?nes?seri]

基本釋義

adj.
必要的; 必然的
n.
必需品

實(shí)用例句

It may be necessary to buy a new one.

也許有必要買(mǎi)個(gè)新的了。

牛津詞典

It doesn't seem necessary for us to meet.

我們似乎沒(méi)必要見(jiàn)面。

牛津詞典

Only use your car when absolutely necessary.

非用不可的時(shí)候再用你的汽車(chē)。

牛津詞典

If necessary , you can contact me at home.

必要的話(huà),我在家時(shí)你也可以和我聯(lián)系。

牛津詞典

I'll make the necessary arrangements.

我會(huì)做一些必要的安排。

牛津詞典

This is a necessary consequence of progress.

這是發(fā)展的必然后果。

牛津詞典

I kept the engine running because it might be necessary to leave fast...

我沒(méi)讓發(fā)動(dòng)機(jī)熄火,因?yàn)橐苍S需要迅速離開(kāi)。

We will do whatever is necessary to stop them...

我們要采取一切必要措施去阻止他們。

Wastage was no doubt a necessary consequence of war...

巨大的損耗無(wú)疑是戰(zhàn)爭(zhēng)的必然結(jié)果。

Scientific work is differentiated from art by its necessary connection with the idea of progress.

科學(xué)工作與藝術(shù)的區(qū)別在于它與人類(lèi)進(jìn)步有著必然聯(lián)系。

...a small parcel of necessaries tied up in a handkerchief and carried on a stick.

用手絹包好挑在棍子上的一小包生活必需品

If necessary, the airship can stay up there for days to keep out of danger...

必要時(shí),飛艇能在那里停留數(shù)天以躲避危險(xiǎn)。

The army needs men who are willing to fight, when necessary...

軍隊(duì)需要在必要時(shí)愿意投入戰(zhàn)斗的軍人。

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

必要時(shí), 他們?cè)笧閲?guó)捐軀.

《現(xiàn)代漢英綜合大詞典》

This place is rather cramped.

這地方太局促了.

《現(xiàn)代漢英綜合大詞典》

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

他們總是隨時(shí)總結(jié)經(jīng)驗(yàn), 所以工作質(zhì)量提高很快.

《現(xiàn)代漢英綜合大詞典》

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, 所以當(dāng)他從一碼頭駛到另一碼頭時(shí),得一直沿海岸線(xiàn)航行.

《簡(jiǎn)明英漢詞典》

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

他認(rèn)為搞社會(huì)主義,要替國(guó)家好好打算盤(pán).

《現(xiàn)代漢英綜合大詞典》

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

領(lǐng)導(dǎo)應(yīng)和群眾經(jīng)常見(jiàn)面.

《現(xiàn)代漢英綜合大詞典》

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

我們有必要用網(wǎng)蓋上紅醋栗樹(shù).

《簡(jiǎn)明英漢詞典》

They has possessed themselves of all the necessary material.

他們已取得了所有必要的材料.

《簡(jiǎn)明英漢詞典》

It is both important and necessary to note this difference.

注意到這個(gè)差距是重要的和必要的.

《簡(jiǎn)明英漢詞典》

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

將來(lái)飛往遙遠(yuǎn)的行星時(shí),需要這樣的能力.

《用法詞典》

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

這就使得工農(nóng)業(yè)必須飛速發(fā)展.

《簡(jiǎn)明英漢詞典》

Is it necessary to send a car for them?

用得著派車(chē)去接他們 嗎 ?

《現(xiàn)代漢英綜合大詞典》

真題例句

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月閱讀原文

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月閱讀原文

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

出自-2016年12月閱讀原文

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月閱讀原文

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月閱讀原文

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

出自-2016年12月閱讀原文

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

出自-2016年12月閱讀原文

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

出自-2015年12月閱讀原文

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

出自-2013年12月閱讀原文

Although Kodak anticipated the inevitable rise of digital photography, its corporate(企業(yè)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月閱讀原文

While such vigilant(警覺(jué)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月閱讀原文

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

出自-2012年6月閱讀原文

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

出自-2014年6月聽(tīng)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月聽(tīng)力原文

Make donations when necessary

出自-2010年6月聽(tīng)力原文

But with that policy now being abolished, this holiday incentive is no longer necessary, the government says.

2019年6月四級(jí)真題(第一套)聽(tīng)力 Section A

In addition, it is necessary to apply for graduation when you're near the time that you will be completing your graduation requirements.

2016年6月四級(jí)真題(第二套)聽(tīng)力 Section C

Is breakfast a necessary start to the day or a marketing tactic by cereal companies?

2019年12月四級(jí)真題(第三套)閱讀 Section B

It is necessary for the companies and state agencies involved to consider the ethical consequences of these potential changes to build a better future for all.

2018年12月四級(jí)真題(第三套)閱讀 Section C

It's not necessary to reply to a mass email sent to numerous recipients.

2018年12月四級(jí)真題(第二套)聽(tīng)力 Section C

Such a system could, if necessary, move troops quickly from one area to another.

2018年6月四級(jí)真題(第二套)聽(tīng)力 Section C

Their babies retain the ability to produce their own chlorophyll, though they can't generate energy from sunlight until they've eaten enough algae to steal the necessary genes, which they can't yet produce on their own.

2019年12月四級(jí)真題(第三套)閱讀 Section C

To Fendley, a sense of drive and purpose, as well as an effective high-school education, and basic life skills, like balancing a checkbook, are the necessary ingredients for a successful life in America.

2017年12月四級(jí)真題(第三套)閱讀 Section C

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月閱讀原文

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月閱讀原文

While we argue phasing out racial terminology 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 between groups, Yudell said.

出自-2016年12月閱讀原文

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

出自-2016年12月閱讀原文

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月聽(tīng)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月聽(tīng)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月閱讀原文

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月閱讀原文

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

出自-2015年12月聽(tīng)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月閱讀原文

The government fails to provide the necessary support.

出自-2011年6月閱讀原文

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月聽(tīng)力原文

A code number is necessary to run the copy machine

出自-2013年6月聽(tīng)力原文

Whether the security checks were really necessary.

出自-2012年12月聽(tīng)力原文

A person shouldn't buy an insurance protection that really isn't necessary.

2017年12月六級(jí)真題(第二套)聽(tīng)力 Section C

Furthermore, they say, it is the best way for researchers to gather the range of observations that are necessary to speed up discoveries or to identify large-scale trends.

2017年12月六級(jí)真題(第二套)閱讀 Section B

If the economy starts to shrink again, Baily says, it would make a strong case for a second stimulus—something the Obama administration hopes will not be necessary.

2016年6月六級(jí)真題(第二套)聽(tīng)力 Section C

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 c

2015年12月六級(jí)真題(第一套)閱讀 Section C

It will also be necessary to understand what sort of yield farmers might expect and to establish the plant's safety.

2018年6月六級(jí)真題(第一套)閱讀 Section B

Online security cameras, intelligent lighting and a wealth of sensors that control both temperature and air quality are offering an unprecedented level of control, efficiency, and improvements to what were once classed necessary costs when running a busin

2017年12月六級(jí)真題(第二套)閱讀 Section C

Our study will use a large corporate dataset from a major medical company to examine how technology extends our working hours and thus interferes with necessary cognitive recovery, resulting in huge health care costs and turnover costs for employers.

2018年12月六級(jí)真題(第一套)閱讀 Section B

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

2015年12月六級(jí)真題(第二套)聽(tīng)力 Section B

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.

2016年6月六級(jí)真題(第二套)閱讀 Section C

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

2015年高考英語(yǔ)陜西卷 閱讀理解 閱讀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年高考英語(yǔ)江蘇卷 閱讀理解 閱讀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年高考英語(yǔ)北京卷 閱讀理解 閱讀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年高考英語(yǔ)北京卷 完形填空 原文

Hard work is necessary in one's achievements.

2016年高考英語(yǔ)江蘇卷 閱讀理解 閱讀D 選項(xiàng)

In modern society, punctuality is a necessary virtue.

2015年高考英語(yǔ)陜西卷 閱讀理解 閱讀B 原文

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

2015年高考英語(yǔ)陜西卷 閱讀理解 閱讀B 原文

Loans to small local farmers are necessary.

2018年高考英語(yǔ)江蘇卷 閱讀理解 閱讀C 選項(xiàng)

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

2015年高考英語(yǔ)安徽卷 閱讀理解 閱讀E 原文

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

2018年高考英語(yǔ)全國(guó)卷2 閱讀理解 閱讀D 原文

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

2016年高考英語(yǔ)全國(guó)卷1 閱讀理解 閱讀D 原文

So, comfortable shoes are really necessary.

2016年高考英語(yǔ)全國(guó)卷2 聽(tīng)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年高考英語(yǔ)北京卷 語(yǔ)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年高考英語(yǔ)全國(guó)卷1 閱讀理解 閱讀D 原文

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

2019年高考英語(yǔ)天津卷 閱讀理解 閱讀B 原文

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

2015年高考英語(yǔ)福建卷 閱讀理解 閱讀E 題設(shè)

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年考研閱讀原文

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年考研閱讀原文

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年考研閱讀原文

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

出自-2013年考研閱讀原文

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年考研翻譯原文

That is a necessary and practical approach.

出自-2017年考研翻譯原文

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年考研閱讀原文

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年考研閱讀原文

"Idleness is not just a vacation, an indulgence or a vice; It is as indispensable to be brain as vitamin D is to the body...[idleness] is, paradoxically, necessary to getting any work done," he argues.

2018年考研真題(英語(yǔ)二)閱讀理解 Section Ⅱ

"We'd assumed we'd have to give it a moving head and tail, facial features, and put a scene on it to make it smell like a real rat, but that wasn't necessary," says Janet wiles at the University of Queensland in Australia, who helped with the research.

2020年考研真題(英語(yǔ)二)閱讀理解 Section Ⅱ

At the very least, it has awoken us from our national fever dream of easy riches and bigger houses, and put a necessary end to an era of reckless personal spending.

2012年考研真題(英語(yǔ)二)閱讀理解 Section Ⅱ

But are such government mandates even necessary?

2020年考研真題(英語(yǔ)一)閱讀理解 Section Ⅱ

first, it is very expensive to set up the computer, card reader, and telecommunications networks necessary to make electronic money the dominant form of payment.

2013年考研真題(英語(yǔ)二)完形填空 Section Ⅰ

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

2018年考研真題(英語(yǔ)一)閱讀理解 Section Ⅱ

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.

2018年考研真題(英語(yǔ)一)閱讀理解 Section Ⅱ

On the one hand, it's a necessary condition for many worthwhile things: child care, friendships, etc.

2018年考研真題(英語(yǔ)一)完形填空 Section Ⅰ

Progress in both areas 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 economi

2009年考研真題(英語(yǔ)一)閱讀理解 Section Ⅱ

That's because happiness is linked to the kind of longer-term thinking necessary for making investments for the future.

2016年考研真題(英語(yǔ)二)完形填空 Section Ⅰ

They argue that government action is necessary to curb Britain's addiction to unhealthy food and help halt spiraling rates of obesity, diabetes and heart disease.

2011年考研真題(英語(yǔ)二)閱讀理解 Section Ⅱ

This might sound small, but to undo the effects of such a decrease a candidate would need 30 more GMAT points than would otherwise have been necessary.

2013年考研真題(英語(yǔ)一)完形填空 Section Ⅰ

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.

2011年考研真題(英語(yǔ)一)閱讀理解 Section Ⅱ

英英釋義

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"

同義詞辨析

indispensable, essential, necessary, requisite

這些形容詞均有"必不可少的,必需的"之意。

  • indispensable: 語(yǔ)氣強(qiáng),側(cè)重指絕對(duì)必要性或不可缺少性。
  • essential: 指對(duì)事物本身性質(zhì)具有決定性的重要性,暗含不可缺少,否則便無(wú)法存在。
  • necessary: 最常用詞,側(cè)重由客觀(guān)因素決定的某種需要,強(qiáng)調(diào)不可避免,但并非絕不可缺少。
  • requisite: 正式用詞,特指為實(shí)現(xiàn)某一目的或得到某種結(jié)果而應(yīng)有的需要,有時(shí)可與necessary換用。

同義詞

反義詞

adj.必要的,必需的

unnecessaryneedless

最新英語(yǔ)單詞

行業(yè)英語(yǔ)