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单词拼写：
necessity
音标发音：
[nəˈsesəti][nəˈsesəti]
词性词义：
n.需要；[数]必然性；[经]必需品
速记技巧：
词根词缀法
拆：
ne否定+cess行走、退让+ity名词词尾
记：
离不开的即为【必需品】，有【必然性】。
英英释义：
Noun:
1.the condition of being essential or indispensable2.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"
短语词组：
accept〔deny, ignore, see〕 the necessity of承认〔否认,忽视,看到〕…的必要性
buy the -ties of life购买生活必需品
feel the necessity of感到有…的必要
meet necessity满足需要
provide -ties of existence提供生活必需品
realize the necessity of意识到…的必要性
relieve a necessity解决某一需要
supply -ties提供必需品
absolute necessity绝对必要
basic〔physiological, urgent〕 necessity基本〔生理,迫切〕需要
daily -ties日用品
economic〔political〕 necessity经济〔政治〕上的需要
historical〔logical〕 necessity历史〔逻辑〕的必然性
household -ties家庭必需品
military -ties军需品
moral necessity伦理〔道德〕的需要
scientific necessity科学上的需要,符合科学的必然性
by necessity不得已
from necessity由于必要
in necessity在贫困中,陷于穷困
of necessity必然地,必定,不得已,不可避免地
in case of necessity除非必要
out of sheer necessity出于不得已
under the necessity of doing sth不得已而做某事,有做某事的必要
necessity for需要…
necessity of the times时代的需要
-ties of existence〔life〕生活必需品
记忆技巧：
ne- 不,非 + cess- 走开;撤退 + -ity …状态,性质
双语例句：
1.This was done largely out of necessity, as the fiber crops that were previously used for the process were experiencing a shortage.
这样做主要是出于需要，作为纤维作物，以前使用的过程中经历了短缺。
2.As a struggling mom with a high school education, 34-year-old Karen Hoxmeier had always been a bargain hunter . by necessity.
作为一个只有高中学历，在困境中挣扎的母亲，为了生活的必须，34岁的KarenHoxmeier总是购买廉价货。
3.If only they would realize above all that an artist works of necessity, that he himself is only an insignificant part of the world.
要是人们能认识到最重要的是一个艺术家的必要的作品，艺术家本人只是世界无关紧要的一部分。
4.To them, slavery was no longer just a question of right or wrong. It was a necessity for survival.
对于他们而言，拥有奴隶不再是一个对与错的问题，而是生存之所必须。
5.She writes: "Gorbachev and his advisers did not comprehend the chance that had opened up, and the necessity of moving quickly to seize it. "
她写道：“戈尔巴乔夫及其顾问没有理解他们面前出现的机遇，以及迅速行动抓住这个机遇的必要性。”
6.You see a strong vibration in case of PID control which means necessity of re-adjustment of parameters by engineers at the site.
你会看到一个PID控制在强烈振动情况下，这意味着需要重新调整参数的工程师在现场。
7.Waste and pollution management: Sources of pollution should be identified and appropriate actions have to be taken in case of necessity .
废物污染管理应签定污染源，必要时采取适当的措施。
8.Over the decades it has lost its negative connotations and is now taken as a necessity of survival.
经过数十年的变迁，这个词失去了其负面含义，现在它被理解为一种生存的必要。
9.Perhaps it would be more apt to call it a "bitter necessity for tough times" or simply, "sensible" .
也许把它叫作“困难时期迫不得已的必需措施”还差不多，或者更简单点，“明智之举”。
10.Her determined approach seems to have grown on a bed of economy, on the necessity to get as much done as she possibly can.
她做事果断似乎是由于经济条件所迫而养成的习惯，不得不尽可能多做些事情。
全部四级六级高考考研例句：
They were no longer considered necessities of life.
出自-2016年12月阅读原文
They suspend import of necessities from overseas.
出自-2016年12月阅读原文
Necessity will force the swift adoption of more efficient ones.
出自-2013年6月阅读原文
They are doubtful about its necessity.
出自-2012年12月阅读原文
本文参考文献：
1 http://www.mcb5.cn/we
2 http://www.mcb5.cn/can
3 http://www.mcb5.cn/they
4 http://www.mcb5.cn/but
5 http://www.mcb5.cn/do
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核心重点高频常考单词-necessity的发音/词性词义/用法/同近反义词/记忆法/词根词缀/高级替换词/中英文例句-秒词邦免费背单词赚钱微信小程序
单词拼写：
necessity
音标发音：
[nəˈsesəti][nəˈsesəti]
词性词义：
n.需要；[数]必然性；[经]必需品
速记技巧：
词根词缀法
拆：
ne否定+cess行走、退让+ity名词词尾
记：
离不开的即为【必需品】，有【必然性】。
英英释义：
Noun:
1.the condition of being essential or indispensable2.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"
短语词组：
accept〔deny, ignore, see〕 the necessity of承认〔否认,忽视,看到〕…的必要性
buy the -ties of life购买生活必需品
feel the necessity of感到有…的必要
meet necessity满足需要
provide -ties of existence提供生活必需品
realize the necessity of意识到…的必要性
relieve a necessity解决某一需要
supply -ties提供必需品
absolute necessity绝对必要
basic〔physiological, urgent〕 necessity基本〔生理,迫切〕需要
daily -ties日用品
economic〔political〕 necessity经济〔政治〕上的需要
historical〔logical〕 necessity历史〔逻辑〕的必然性
household -ties家庭必需品
military -ties军需品
moral necessity伦理〔道德〕的需要
scientific necessity科学上的需要,符合科学的必然性
by necessity不得已
from necessity由于必要
in necessity在贫困中,陷于穷困
of necessity必然地,必定,不得已,不可避免地
in case of necessity除非必要
out of sheer necessity出于不得已
under the necessity of doing sth不得已而做某事,有做某事的必要
necessity for需要…
necessity of the times时代的需要
-ties of existence〔life〕生活必需品
记忆技巧：
ne- 不,非 + cess- 走开;撤退 + -ity …状态,性质
双语例句：
1.This was done largely out of necessity, as the fiber crops that were previously used for the process were experiencing a shortage.
这样做主要是出于需要，作为纤维作物，以前使用的过程中经历了短缺。
2.As a struggling mom with a high school education, 34-year-old Karen Hoxmeier had always been a bargain hunter . by necessity.
作为一个只有高中学历，在困境中挣扎的母亲，为了生活的必须，34岁的KarenHoxmeier总是购买廉价货。
3.If only they would realize above all that an artist works of necessity, that he himself is only an insignificant part of the world.
要是人们能认识到最重要的是一个艺术家的必要的作品，艺术家本人只是世界无关紧要的一部分。
4.To them, slavery was no longer just a question of right or wrong. It was a necessity for survival.
对于他们而言，拥有奴隶不再是一个对与错的问题，而是生存之所必须。
5.She writes: "Gorbachev and his advisers did not comprehend the chance that had opened up, and the necessity of moving quickly to seize it. "
她写道：“戈尔巴乔夫及其顾问没有理解他们面前出现的机遇，以及迅速行动抓住这个机遇的必要性。”
6.You see a strong vibration in case of PID control which means necessity of re-adjustment of parameters by engineers at the site.
你会看到一个PID控制在强烈振动情况下，这意味着需要重新调整参数的工程师在现场。
7.Waste and pollution management: Sources of pollution should be identified and appropriate actions have to be taken in case of necessity .
废物污染管理应签定污染源，必要时采取适当的措施。
8.Over the decades it has lost its negative connotations and is now taken as a necessity of survival.
经过数十年的变迁，这个词失去了其负面含义，现在它被理解为一种生存的必要。
9.Perhaps it would be more apt to call it a "bitter necessity for tough times" or simply, "sensible" .
也许把它叫作“困难时期迫不得已的必需措施”还差不多，或者更简单点，“明智之举”。
10.Her determined approach seems to have grown on a bed of economy, on the necessity to get as much done as she possibly can.
她做事果断似乎是由于经济条件所迫而养成的习惯，不得不尽可能多做些事情。
全部四级六级高考考研例句：
They were no longer considered necessities of life.
出自-2016年12月阅读原文
They suspend import of necessities from overseas.
出自-2016年12月阅读原文
Necessity will force the swift adoption of more efficient ones.
出自-2013年6月阅读原文
They are doubtful about its necessity.
出自-2012年12月阅读原文
本文参考文献：
1 http://www.mcb5.cn/we
2 http://www.mcb5.cn/can
3 http://www.mcb5.cn/they
4 http://www.mcb5.cn/but
5 http://www.mcb5.cn/do
6 http://www.mcb5.cn/from
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19 http://www.mcb5.cn/or
20 http://www.mcb5.cn/his
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