necessary
['nesə.səri]
adj.必要的, 必然的
n.必需品
例句与用法:
I feel it is absolutely necessary.
我觉得这是绝对必要的。
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。
Is it necessary for me to attend the meeting?
我真的必须参加这个会议吗?
词形变化:
名词复数: necessaries |
a.
1. 必要的, 必需的[(+for/to)]
Oxygen is necessary for life.
氧气是生命所必需的。
It is necessary that he be sent there at once.
有必要马上派他到那里去。
2. 必然的, 无法避免的
Poor health is a necessary result of over-exertion.
体弱是过度劳累的必然结果。
n.
必要的物品; 必需品[P1]
She has enough money to obtain the necessaries of life.
她有足够的钱购买生活必需品。
短语词组:
if necessary
1. 如果必要的话
You can use these reference books, if necessary.
如果必要, 你可用这些参考书。
necessary
形容词比较级:more necessary
形容词最高级:most necessary
名词复数:necessaries
词形变化:
名词复数: necessaries |
同义词:
essential | needed | required | obligatory | compulsory | indispensable | important | exigent | compelling | urgent | imperative | basic | vital | necessity | imperious | pressing | desired | significant | crucial | de rigueur | necessitous | mandatory | requisite | requirement |
反义词:
词义辨析:
同义:
a.必要的, 必需的
required
compulsory
urgent
important
obligatory
compelling
needed
essential
exigent
imperative
同义参见:
vital
indispensable
imperious
significant
basic
pressing
necessity
desired
反义:
a.必要的, 必需的
unnecessary
needless
necessary['nesisəri]adj.1.■必要的,必需的;必不可少的,必须的2.■必然的,不可避免的,势必的3.■迫不得已的,非做不行的,非自愿的,不自由的4.■【逻辑学】5.■(观点)不能否定的6.■(论点或推论)不可能是谬误的7.■(条件)必须存在的[参较 sufficient]n.1.■必需品,必要物;必要,必须2.■[用复数]【法律】生活必需品3.■[主英格兰英语]厕所,盥洗室4.■[the necessary]钱5.■[the necessary][英国口语]必须做的事近义词essentialif necessary如果有必要的话变形n.necessaries
necessarynecessary[ˈnesisəri]adj.1.■必须的2.■【逻】必然的3.■强制的; 必须做的, 非自愿的a necessary result必然结果It is necessary for sb. to do sth. (It is necessary that ...) ...是必须的; 必须...Sleep is necessary to health.睡眠对健康是必要的。
词性变化necessary[ˈnesisəri]n.[常用复]1.■必需品2.■【律】抚养眷属或无行为能力人所需的衣食住必需品daily -ries日用必需品the necessary必需的钱, 必须做的事; [美, 方]厕所provide [find] the necessary[俚]筹款a necessary house[古]厕所
参考词汇necessary;essential;indispensable;vital;都含“必要的”、“必需的”的意思。1.■necessary指“必要的”、“迫切需要的”, 如:It's necessary for us to study hard .我们必须努力学习。2.■essential指“必需的”、“不可缺少的”, 如:Food is essential for life.食物是生命所必需的。3.■indispensable指“必要的”、“必不可少的”, 如:He is indispensable to our work, we cannot do it without him.对于我们的工作来说, 他是不可缺少的, 没有他, 我们就做不了。4.■vital意为 “非常重要的”、“极需的”, 如:This point is vital to my argument.这一点对我的论据来说是非常重要的。unnecessary;
adjective
- required to be done, achieved, or present; needed; essential
必要的;必须的;必需的;根本的
they granted the necessary planning permission.
他们批准了必需的规划许可。
it's not necessary for you to be here.
你没必要到这里来。 - determined, existing, or happening by natural laws or predestination; inevitable
必然的;不可避免的
a necessary consequence.
必然的结果。
■(Philosophy)(of a concept, statement, judgement, etc.) inevitably resulting from or produced by the nature of things, so that the contrary is impossible
(哲)(观念、陈述或判断等)具有必然性的
■(Philosophy)(of an agent) having no independent volition
(哲)(行为者)迫不得已的,非做不行的,非自愿的
- (一般作necessaries)(亦作necessaries of life)the basic requirements of life, such as food and warmth
生活必需品
■(the necessary)(informal)an action or item needed for a purpose
(非正式)必须做的事;必需品
see when they need a tactful word of advice or encouragement and do the necessary.
注意他们何时需要巧妙的进言或鼓励,然后做该做的事。
■(the necessary)(Brit. informal)enough money for a particular purpose
(英,非正式)钱
a necessary evil
- something that is undesirable but must be accepted
不想要但又必须接受的事物
- late Middle English; from Latin necessarius, from necesse 'needful'
necessary
名词 necessary:
anything indispensable
同义词:necessity, essential, requirement, requisite
形容词 necessary:
absolutely essential
unavoidably determined by prior circumstances
necessary
■Something, such as corrective discipline or punishment, that is unpleasant but necessary or unavoidable.
(喻)药某种令人不快的但却必需的或不可避免的东西,例如矫正性惩罚
■All necessary materials should be on hand.
一切必须的材料应准备就绪。
■A procedure in which an instruction is broken down into the microcode operations necessary for its execution by a control unit.
一种处理过程,其间由控制器将一条指令分解成为它的执行所必须的微码操作。
■World trade of political fetters is necessary.
不为政治束缚之国际贸易是必需的。
■It is not necessary to replace air with inert gas.
不必用惰性气体置换空气。
■We'll go on with the work, whether we can find the necessary tools or not.
不管我们能否找到所需的工具,我们要把这件工作做下去。
■However, encouragement may be given if necessary.
不过必要时可以给予鼓励。
■A substance formed as a necessary stage in the manufacture of a desired end product.
中间产物在生产预计的最终产品的必需阶段中形成的物质
■A plan for the solution of a problem; consists of planning and coding, numerical analysis, systems analysis, specification of printing formats, and any other functions necessary to the integration of a computer in a system.
为解决某一问题而作出的计划,包括规划和编码、数值分析、系统分析、打印格式规定以及把计算机结合进一个系统所必需的其它功能。
■Increase in population made emigration necessary.
人口的增加使向外移民成为必要。
■Talent and education are necessary to make good in certain fields.
从某种意义上讲,才干与教育为成功之要素。
■He did not think that it was necessary to make a hell of this world to enjoy paradise in the next.
他不以为,为了来生得到享受而把此生化为地狱的必要。
■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,所以当他从一码头驶到另一码头时,得一直沿海岸线航行。
■They prepared all things necessary for the expedition.
他们准备了探险所需的一切东西。
■He found his son with everything necessary.
他供给他儿子一切必须用品。
■He has the necessary skills for the job.
他具备该项工作所需的必备技能。
■Does he possess the necessary patience and tact to do the job well?
他有做好这项工作必备的耐性和应变能力吗?
■It is necessary that he (should) sort out the information for my reference.
他有必要整理些资料供我参考。
■He found it necessary to shoot a sheriff.
他认为有必要开枪结果执法长官。
■But I wonder if it is really necessary to run the risks.
但是我不知道是否真的有必要冒险。
■Poor health is a necessary result of over-exertion.
体弱是过度劳累的必然结果。
■Please advise us immediately after you have obtained the necessary import license.
你公司得到所需进口许可证后,请立即通知我们。
■Do you have the abilities necessary for a financial adviser?
你具备一个财务顾问必需的能力吗?
■You have the necessary equipment for leadership.
你具备领导者的才能。
■It is necessary for you to use IP cards.
你应该用IP卡。
■It is necessary for you to go there every night.
你必须每天晚上都到那里去吗?
■Do you have the necessary experience?
你有所必需的经验吗?
■Be it really necessary, do you think?
你看那真是必要的吗?
■Do you regard it as necessary I should come?
你认为我有必要来吗?
■Is it necessary, do you think, to write a letter to the teacher?
你认为有必要给老师写一封信吗?
■It is necessary for you to guard your tongue.
你说话必须谨慎。
■To make necessary or unavoidable.
使成为必需使成为必然或不可避免
■The steps necessary to place a computer in fully operational status; it, typically, consists of loading the operating system.
使计算机完全进入运行状态必需的步骤,它通常包括装入操作系统。参阅coldboot。
■Personal health is necessary for this job.
做这种工作需要健康的身体。
■A stock of necessary supplies, especially food.
储备一些必需品尤其是食物的储备
■Light and water are necessary to plants.
光和水封植物是必要的。
■Attractive label is very necessary.
具有吸引力的标签非常必要。
■It may be necessary to amputate his foot.
切除他的脚是必要的。
■It is highly necessary to work out an emergency package.
制定一整套应急措施是非常必要的。
■The quantity of a vaccine, serum, drug, or other agent necessary to produce a specific effect.
剂量需要产生特定效应的疫苗、浆液、药物或其他剂的量
■The doctors held a consultation to decide whether an operation was necessary.
医生们进行会诊,决定是否需要动手术。
■The doctors will operate if it proves necessary but it may not come to that.
医生认为必要时便动手术--但可能不致如此。
■Neither silence nor inaction is necessary.
即不要保持沉默也不能按兵不动。
■It is necessary to develop our agriculture.
发展我们的农业是必要的。
■Please just take the necessary for a long walk.
只带上远足所需的必需品即可。
■It's no use calling down the wrath of God on the heads of your enemies; something more will be necessary to defeat them.
只是祈求上天惩罚敌人是没有用的,要打败敌人一定得采取其他必要手段。
■I do not mind, as long as you think it necessary.
只要你变为有必要,我不反对。
■One error might make it necessary to pull the whole thing apart and start over again.
只要出一点差错,就可能要全部拆卸,重新装配。
■Is it really necessary to have the meeting?
召开这次会议真的有必要吗?
■Some adjustment of the lens may be necessary.
可能有必要调节一下镜头。
if necessary
1. 如果必要的话
You can use these reference books, if necessary.
如果必要, 你可用这些参考书。
习惯用语if necessary1.■如必要的话be necessary for1.■必须; 有...的必要the -ries of life1.■生活必须品