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单词 necessary
释义
necessary
adjective
uk
/ˈnes.ə.ser.i/us
/ˈnes.ə.ser.i/
B1
neededinordertoachieveaparticularresult:
必需的，必不可少的
Helacksthe necessaryskillsfor thejob.他不具备做这项工作所需的技能。
I don't have muchtimeso I won't bestayinganylongerthan necessary.我时间不多，所以若非必要我不会逗留。
Just do what's necessary and thenleave.做完必要的事情就走吧。
Ifnecessary, we can alwayschangethedatesofourtrip.必要的话，我们随时可以改变旅行的日期。
Isitnecessaryforall of ustobepresentat themeetingthisafternoon?我们必须全体出席今天下午的会议吗？
We don'twantto take any moreluggagewith us than isstrictlynecessary.除了必不可少的行李以外，我们不想带多余的东西。
Thesaurus: synonyms, antonyms, and examples
necessary
  • necessaryDo you have the necessary skills for the job?
  • needDoes she have the skills needed for work of that sort?
  • requireWill you require a wake-up call in the morning?
  • mustThe meat must be cooked thoroughly.
  • essentialClean water is essential for a society's health.
  • fundamentalSome understanding of grammar is fundamental to learning a language.
See more results »
used innegativesandquestionsto show that youdisapproveof something and do notthinkit should be used or done:
（用于否定句和疑问句表示不赞同）必要的，应该的
I don'tthinkthatkindoflanguageis necessary in a show thatkidscould bewatching.我真的认为在电视上使用那种语言是不可取的。
Wasitreally necessaryforyoutosay that?你非得那样说吗？
More examples
  • If you're going intoteaching,energyis a necessarycommodity.
  • Somealterationstoouroriginalplansmight be necessary.
  • We shall do everything necessary tobringthemurderertojustice.
  • We can always go back to theoriginalplanif necessary.
  • Nopurchaseis necessary for you toenterthiscompetition.
SMART Vocabulary: related words and phrases
Essential or necessary
  • basically
  • basis
  • be a question ofdoing somethingidiom
  • box ticking
  • business-critical
  • dependence
  • elemental
  • if need beidiom
  • if/when push comes to shoveidiom
  • incumbent
  • indispensable
  • inhere insomething
  • necessity
  • need
  • needed
  • needful
  • non-discretionary
  • owe
  • symbiotically
  • warrant
See more results »
(Definition ofnecessaryfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

necessary| American Dictionary

necessary
adjective
us
/ˈnes·əˌser·i/
neededinordertoachieveaparticularresult:
Don’t take any moreluggagethan isstrictlynecessary.
Helacksthe necessaryskillsfor thejob.
If necessary, we can alwayschangethedateofourtrip.
necessary evil
A necessaryevilis somethingunpleasantthat must beacceptedinordertoachieveaparticularresult:
MostAmericansaccepttaxesas a necessaryevil.
Necessary can be used innegativesandquestionsto show that youdisapproveof something and do notthinkit should be done:
[+ to infinitive]Was it really necessary to say that?
(Definition ofnecessaryfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofnecessary

necessary
Families were in poverty, he said, if their 'total earnings are insufficient to obtain the minimum necessaries for the maintenance of merely physical efficiency'.
From theCambridge English Corpus
Obviously if the whole of the surplus-value is consumed unproductively it makes little difference how it is consumed, either as necessaries or as luxuries.
From theCambridge English Corpus
Firstly wives alleged that during cohabitation their husbands removed necessaries from them or refused to supply cash or credit to purchase them.
From theCambridge English Corpus
Instead, the common-law device of the law of agency provided her with the right to purchase necessaries in her husband's name, according to his rank and wealth.
From theCambridge English Corpus
He felt that wasnecessaryto ensure the success of republicanism.
From theCambridge English Corpus
I do not believe that such a blanket prohibition isnecessary.
From theCambridge English Corpus
However, thenecessarytools are still missing, given the lack of knowledge of the specific molecules important for the biogenesis of these protrusions.
From theCambridge English Corpus
Even if there is nonecessarybiochemical tendency in this direction, it is possible that pathways and their regulation have evolved to promote such interactions.
From theCambridge English Corpus
Priming of cytotoxic cell responses isnecessaryfor the design of therapeutic cancer vaccines, as well as for viral vaccines.
From theCambridge English Corpus
If connection space is limited, additional ductwork may benecessary.
From theCambridge English Corpus
Most of the labor isnecessaryfor the construction of the facility.
From theCambridge English Corpus
Less pre-fabrication could lengthen thenecessaryboiler outage somewhat.
From theCambridge English Corpus
The timenecessaryto complete this phase is approximately four months.
From theCambridge English Corpus
The contract for £450 sterling to ' repair ' the king's chapel records that 'desks, stalls, lofts and other necessaries ' were to be inserted.
From theCambridge English Corpus
In practice these ' necessaries ' often took the form of food and fuel, of mutton broth and sustaining porter or port.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/necessary##
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更新时间：2024/12/28 8:44:07