necessity
英
/nəˈsesəti/
美
/nəˈsesəti/
n.
需要;必要;必需品;必然;必然性;必需的事物;不可避免的情况
复数： necessities
记忆技巧：ne- 不,非 + cess- 走开;撤退 + -ity …状态,性质
CET4考研IELTSTEM4TEM8
牛津词典
noun
1
[U] ~ (for sth) | ~ (of sth/of doing sth) | ~ (to do sth)
必然；必要；需要
the fact that sth must happen or be done; the need for sth
We recognize the necessity for a written agreement.
我们认为有必要签订一份书面协议。
We were discussing the necessity of employing more staff.
我们在讨论是否需要雇用更多员工。
There had never been any necessity for her to go out to work.
她从来就没有出去工作的必要。
This is, of necessity , a brief and incomplete account.
这必然是一份简略的、不完全的描述。
2
[C] 必需的事物；必需品
a thing that you must have and cannot manage without
Many people cannot even afford basic necessities such as food and clothing.
许多人甚至买不起食物和衣服之类的基本必需品。
Air-conditioning is an absolute necessity in this climate.
这样的气候绝对需要有空调。
3
[C, usually sing.] 必然性；不可避免的情况
a situation that must happen and that cannot be avoided
Living in London, he felt, was an unfortunate necessity.
他觉得在伦敦生活是迫于无奈。
习语
necessity is the mother of invention
(saying) 需要是发明之母
a difficult new problem forces people to think of a solution to it
make a virtue of necessity
不得已而力争有所得
to manage to gain an advantage from sth that you have to do and cannot avoid
百度翻译对原文进行调整，例句发音部分来自牛津
柯林斯词典
necessity
频次
1
N-UNCOUNT 必然;必要
The necessity of something is the fact that it must happen or exist.
There is agreement on the necessity of reforms...
对改革的必要性已经达成了共识。
2
N-COUNT 必需品;必不可少的事物
A necessity is something that you must have in order to live properly or do something.
Water is a basic necessity of life.
生命离不开水。
3
N-COUNT 不可避免的情况(或行动)
A situation or action that is a necessity is necessary and cannot be avoided.
The President pleaded that strong rule from the centre was a regrettable, but temporary necessity.
总统辩解说，实行高度的中央集权虽不尽如人意，但暂时来说却是必要的。
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
Synonym:
essentialrequirementrequisitenecessary
2
the condition of being essential or indispensable
数据来源：WordNet
双语例句
全部 必然性 必要 必然 需要 必需品
1
The Necessity of Technology Development& Its Social Control
技术发展的必然性与社会控制
dict.cnki.net
2
Finally expounds the necessity from information management to knowledge management.
最后阐明了从信息管理走向知识管理的必然性。
dict.cnki.net
3
There had never been any necessity for her to go out to work.
她从来就没有出去工作的必要。
《牛津高阶英汉双解词典》
4
This is, of necessity, a brief and incomplete account.
这必然是一份简略的、不完全的描述。
《牛津高阶英汉双解词典》
5
We recognize the necessity for a written agreement.
我们认为有必要签订一份书面协议。
《牛津高阶英汉双解词典》
6
We were discussing the necessity of employing more staff.
我们在讨论是否需要雇用更多员工。
《牛津高阶英汉双解词典》
7
Air-conditioning is an absolute necessity in this climate.
这样的气候绝对需要有空调。
《牛津高阶英汉双解词典》
8
Most women, like men, work from economic necessity
与男人一样，大部分女人也是出于经济原因而工作。
《柯林斯高阶英汉双解学习词典》
9
Water is a basic necessity of life.
生命离不开水。
《柯林斯高阶英汉双解学习词典》
10
The population failed to understand the necessity for the war to go on.
人们不能理解那场战争再继续下去有什么必要。
《柯林斯高阶英汉双解学习词典》
11
Some people have to lead stressful lifestyles out of necessity.
一些人迫于生计不得不过着紧张忙碌的生活。
《柯林斯高阶英汉双解学习词典》
12
As soon as the necessity for action is over the troops must be withdrawn
一旦军事行动的必要性不复存在，军队就必须撤出。
《柯林斯高阶英汉双解学习词典》
13
There is agreement on the necessity of reforms
对改革的必要性已经达成了共识。
《柯林斯高阶英汉双解学习词典》
14
It would be the first time in human history that economic necessity has prevailed over military aggrandizement.
那应该是人类历史上首次经济需要高于军事扩张。
《柯林斯高阶英汉双解学习词典》
15
It remained very difficult to procure food, fuel and other daily necessities.
食物、燃料和其他日用必需品仍然很难得到。
《柯林斯高阶英汉双解学习词典》
16
They have begun to issue ration cards for basic necessities such as rice and flour.
他们开始发行用来购买大米、面粉等生活基本必需品的定量配给卡。
《柯林斯高阶英汉双解学习词典》
17
Many families must skimp on their food and other necessities just to meet the monthly rent.
就为了交齐每月的租金，许多家庭不得不省吃俭用。
《柯林斯高阶英汉双解学习词典》
18
Mr Casey said he could see no necessity to add any rider on the use of firearms by police
凯西先生说他觉得没有必要增加任何有关警察使用枪支的附加条款。
《柯林斯高阶英汉双解学习词典》
19
Truckloads of food, blankets, and other necessities reached the city.
成车的食物、毯子与其他必需品抵达了该市。
《柯林斯高阶英汉双解学习词典》
20
Roden had already constructed a rude cabin for himself and his family in case of necessity.
罗登已为自己和家人搭好了一个简陋的小木屋，以备不时之需。
《柯林斯高阶英汉双解学习词典》
21
Necessity is the mother of invention.
需要乃发明之母。
《汉英大词典》
22
The article proves the necessity of reform.
文章论证了改革的必要性。
百度翻译例句库
23
I often drop into the store for some daily necessities.
我常光顾那家小店买些日用品。
百度翻译例句库
24
Are the investment banks selling cheaply, out of necessity?
投资银行是否完全不必要贱价出售？
百度翻译例句库
25
She can't find money for necessities, let alone such luxuries as wine and tobacco.
她连买必需品的钱都没有，哪里谈得上买烟酒之类的奢侈品呢。
百度翻译例句库
26
Necessity is a hard dart.
情急智生。
百度翻译例句库
27
Once it had decided on a cease-fire out of military necessity, it was ready to extract the maximum aid from us.
一旦它出于军事的需要决定停火时，它就准备从我们那里最大限度地榨取援助。
百度翻译例句库
28
Necessities like food and wood were very expensive ．
食物和木材等必需品非常昂贵。
高考真题- 2018 全国3卷 阅读B
29
If they run out of certain daily necessities ．
如果他们的某些日常必需品用完了。
高考真题- 2019 北京 完形填空
30
Sustainability is becoming a necessity ．
可持续性正成为一种必要。
高考真题- 2018 天津 阅读C
词语用例
词语搭配习语
necessity与以下词性连用
adj.
absolute necessity
绝对必需品
economic necessity
经济必要性
political necessity
政治必要性
同反义词
同义词
n.
essentialneednecessarydemandrequisitionrequisite
词根词缀
前缀
ne-不,非
necessaryadj. 必需的
ne- 不,非 + cess 行走,撤退 + -ary ...的
后缀
-ity…状态,性质
activityn. 热闹状况
activ(e) 活跃的 + -ity …状态,性质
charityn. 慈善机构(或组织)
char- 珍爱;可爱的 + -ity …状态,性质
electricityn. 电
electric 电的 + -ity …状态,性质
nationalityn. 国籍
nation n.民族 + -al ...的 + -ity …状态,性质
qualityn. 质量
qual 资格 + -ity …状态,性质
authorityn. 权威
author n.作者 + -ity …状态,性质
