necessary 基本解释
adj.必要的;强制的;必然的;不可避免的
n.必需品;
变形
复数:necessaries
双语释义
adj.(形容词)必要的,必需的 essential for a purpose; that cannot be done without or avoided
必然的,不可避免的 that must be; inevitable
英英释义
necessary[ 'nesisəri ]
n.anything indispensable同义词:necessityessentialrequirementrequisite
adj.absolutely essentialunavoidably determined by prior circumstances"the necessary consequences of one's actions"
necessary 相关例句
词汇搭配
用作形容词 (adj.)~+名词- necessary actions必要措施
- necessary apologies必要的道歉
- necessary arrangements必要的安排
- necessary end必然的结局
- necessary equipment必要的装备
- necessary information必要的信息
- necessary instruments必要的仪器
- necessary makeshift必要的权宜之计
- necessary restriction必要的限制
- necessary result必然的结果
- necessary skill必需的技能
- necessary sum所需的数目
副词+~- absolutely necessary绝对必要
- highly necessary非常必要的
- really necessary真的必要
~+介词- necessary for对…是必要的
- necessary for health对健康是必要的
- necessary to对…是必需的
词组短语
if necessary如果必要的话
necessary for所必需;对…是必要的
necessary condition必要条件,充分必要条件
when necessary在必要的时候
as necessary必要时
absolutely necessary绝对必要
necessary and sufficient condition充要条件;必要且充分的条件
where necessary必要时;需要时;必要地方
sufficient and necessary condition充要条件;充分必要条件
necessary evil n. 无可避免之灾祸
necessary connection必然联系
更多收起词组短语
同近义词辨析
essential, indispensable, necessaryessentiala.表示属于某事物的要素或特征是"主要的,核心的,本质的,必不可少的"。
The essential point is we must do what the contract says.核心的一点是我们必须按照合同的规定去做。
indispensablea.强调客观上是必不可少的,否则就无法维持生命或做不成某一件事。
Warm clothing is indispensable in cold weather.在寒冷的天气里,厚衣服是必不可少的。
necessarya.是一般用语,强调从主观上看是必须的,不可避免的。
requisite, essential, indispensable, necessary这组词都有“必不可少的,必需的”的意思,其区别是:
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。
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。
indispensable语气强,侧重指绝对必要性或不可缺少性。
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。
双语例句
用作形容词(adj.)- She will make necessary arrangements.
她会作好必要的准备。 - If necessary, please warehouse the goods.
如有必要,请将该货存入仓库。 - The necessary outcome of a war is a fall in production.
战争带来的必然结果就是生产力下降。
权威例句
Minimum Information Necessary for Quantitative Real-Time PCR ExperimentsMinimum Information Necessary for Quantitative Real-Time PCR ExperimentsHuman papillomavirus is a necessary cause of invasive cervical cancer worldwide.The Transcription Factor GATA-3 Is Necessary and Sufficient for Th2 Cytokine Gene Expression in CD4 T CellsIdentification and inhibition of the ICE/CED-3 protease necessary for mammalian apoptosis.Activation of MAP kinase kinase is necessary and sufficient for PC12 differentiation and for transformation of NIH 3T3 cellsAssessing the quality of reports of randomized clinical trials: is blinding necessary?Pillars Article: The Transcription Factor GATA-3 Is Necessary and Sufficient for Th2 Cytokine Gene Expression in CD4 T Cells. Cell...The IκB Kinase Complex (IKK) Contains Two Kinase Subunits, IKKα and IKKβ, Necessary for IκB Phosphorylation and NF-κB ActivationThe IkappaB kinase complex (IKK) contains two kinase subunits, IKKalpha and IKKbeta, necessary for IkappaB phosphorylation and NF-ka...