essential
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adj. 基本的；必要的；本质的；精华的
n. 本质；要素；要点；必需品
adj.
基本的；必要的；本质的；精华的
n.
必需品；基本要素；必不可少的东西；
变形
复数：essentials
双语释义
adj.(形容词)[P]必不可少的,绝对必要的; 非常重要的 necessary; indispensable; most important
[A]本质的,实质的,基本的 relating to sb's/sth's basic nature; fundamental
n.(名词)[P]要素,要点 fundamentally necessary element or thing
[P]必需品 sth that is necessary
英英释义
essential[ i'senʃəl ]
n.anything indispensable
"the essentials of the good life"
同义词：necessityrequirementrequisitenecessary
adj.
absolutely necessary; vitally necessary
"essential tools and materials"; "funds essential to the completion of the project"
同义词：indispensable
basic and fundamental
"the essential feature"
of the greatest importance
同义词：all-important(a)all important(p)crucialof the essence(p)
being or relating to or containing the essence of a plant etc
"essential oil"
defining rights and duties as opposed to giving the rules by which rights and duties are established
同义词：substantive
absolutely required and not to be used up or sacrificed
词汇搭配
用作形容词 (adj.)
～+名词
essential character本质特征
essential elements要素
essential goods必需品
essential harmony基本和谐
～+介词
essential to good health对于健康十分必要
essential to the growth of crops对庄稼的生长是必不可少的
用作名词 (n.)
动词+～
grasp the essentials抓住本质
import essentials进口生活必需品
teach the essentials讲授要点
形容词+～
basic〔prime〕 essentials基本要素
living essentials生活必需品
～+介词
essentials of life生活的必需品
essentials to success〔health〕成功〔健康〕的要素
词组短语
essential oil香精油，精油
essential condition必要条件
essential hypertension原发性高血压；特发性高血压
essential element必需元素
essential component主要部件；主要成分
essential difference本质区别
essential requirements基本要求；基本规范
essential amino acid必需氨基酸
essential nutrients 基本营养物；必需营养素（essential nutrient的复数形式）
essential qualities 固有性；本质（essential quality 的复数）
essential point本质点
essential information[计]基本信息
be essential for对…必不可少的
essential drugs基本药物
essential mineral知矿物；主成份矿物；基本矿物
essential fatty acid必需脂肪酸
essential parameter基本参数；本质参数
essential water组成水份
essential goods主要货物；必需品
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。
inherent, essential这组词都有“内在的、本质的”的意思，其区别是：
inherent指物体本身固有的、不能与该物体分割的某种特性。
essential指决定所属事物存在的关键因素。
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。
vital, essential, basic, fundamental, radical这组词都有“基本的，基础的”的意思，其区别是：
vital正式用词，侧重指维持生命、活力必不可少的，或生死攸关的。
essential语气比basic和fundamental强，强调必不可少，暗含某物如缺少某部分，则失去本质特征的意味。
basic普通用词，指明确、具体的基础或起点。
fundamental书面用词，不如basic使用广泛，侧重指作为基础、根本的抽象的事物。
radical着重指事物的根本或其来源。
双语例句
用作形容词(adj.)
This is of course still the essential method.
这当然仍是本质的方法。
This is desirable but by no means essential to the primary objective of validating mathematical models of aircraft behaviour.
对于验证飞机性能的数学模型这一主要目的来说，这是必须的，但决不是最本质的.
Concentration is essential if you want to do a good job.
如果你想把事情做好,专心是必要的。
Mass education is essential in promoting democracy.
民众教育对提倡民主是非常重要的。
用作名词(n.)
What are the essentials of good teaching?
成功教学的要素是什么?
The first essential, of course, is to know what you want.
第一要素当然是知道自己想要什么。
We only had time to pack a few essentials.
我们只来得及装上几件必需品。
A man should never neglect these social essentials.
一个人决不该疏忽了这些社交上的必需品。
权威例句
On the Essential Renewable Energies VariablesBiological effects of essential oils--a review.
Essential oils: their antibacterial properties and potential applications in foods--a review
Use of Ozone-Depleting Substances; Removal of Essential Use Designations
The RNA helicase RIG-I has an essential function in double-stranded RNA-induced innate antiviral responses
Beclin 1, an autophagy gene essential for early embryonic development, is a haploinsufficient tumor suppressor.
Prevalence of Essential and Fatty Oil Constituents in Fennel ( Foeniculum vulgare Mill) Genotypes Grown in Semi Arid Regions of India
Essential oils: Their antibacterial properties and potential applications in foods—A review. International Journal of Food Microbio...
Assessment of endocrine disruption potential of essential oils of culinary herbs and spices involving glucocorticoid, androgen and v...
Hypoxia response elements in the aldolase A, enolase 1, and lactate dehydrogenase A gene promoters contain essential binding sites f...
essential (adj.)
mid-14c., "that is such by its essence," from Late Latin essentialis, from essentia "essence" (see essence). Meaning "pertaining to essence" is from late 14c., that of "constituting the essence of something" is from 1540s; that of "necessary" is from 1520s. Essentials "indispensable elements" is from early 16c. Related: Essentially.
1. They believe it is essential to defy convention.
他们认为对抗流俗是绝对必要的。
《21世纪大英汉词典》
2. I dont know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。
edu.21cn.com
3. I do not know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。
www.ebigear.com
4. Thus, an essential assumption of this method is that requirements must be well understood before development can go forward.
因而，这种方法的一个必要假定是需求必须在开发能够进行之前被充分地理解。
www.ibm.com
5. Libraries are an essential part of this process, providing the only access for those who do not have the resources to purchase or access books and information on their own.
图书馆是在这个过程中一个必不可少地部分为那些靠自己无法获得资源或者接触书籍和信息的人，提供了唯一的途径。
article.yeeyan.org
6. Like any other addiction, this is an essential step.
就像其他成瘾一样，这是关键的一步。
article.yeeyan.org
7. He then adds the usual caveat: "But, as a zoo director, I understand that it is absolutely essential that we keep them there.
接着他补充一贯的说明：“但是，作为一个动物园园长，我明白我们将它们放在那里是绝对必要的。”
article.yeeyan.org
8. What they could not do was question the essential correctness of his thesis.
他们所不能做的，就是质疑他文章的根本正确性。
article.yeeyan.org
9. For deletions this is not essential, but for other operations it can be important.
对于删除来说这并不重要，但对其他操作来说可能是重要的。
www.ibm.com
10. We see this as essential for the success of any development effort.
我们把这看作是任何开发工作成功的必要因素。
www.ibm.com
11. The essential sections of this article guide you through these steps for setting up distributed testing by installing software on the client machines.
本文的本质内容是指导您通过在客户端机器上安装软件，完成这些步骤来设置分布式的测试。
www.ibm.com
12. Persuasion – convincing someone of something – is an essential part of almost everything we do, from informal discussions to formal negotiations.
说服也就是劝某人接受某事几乎做什么事都是必要的部分，从非正式讨论到正式协商。
www.kekenet.com
13. In fact, it’s one of the essential pages you should include on yourwebsite.
事实上，它是应该包括在你的网站里的最重要的几个页面之一。
article.yeeyan.org
14. I do agree that insurance is essential for my people with children, and that is one of the main reasons I keep offering it.
我很同意一点就是保险对于有孩子的员工来说很必要，而且有一个重要原因是我会一直提供这种福利。
article.yeeyan.org
15. A couple of months ago, I asked you not to fear failure, saying that embracing failure — or at least the possibility of failure — was essential to success.
几个月前，我让你《不要害怕失败》，告诉你要拥抱失败——或者至少拥抱失败的可能性——对成功来说，这是必要的。
article.yeeyan.org
16. So why is it essential to take these medicines in combination?
那么，为什么联合服用这些药品如此关键呢？
www.who.int
17. I mean, everybody acknowledges this cannot be done with troops alone, but troops are essential at least in the near term to try to reverse the slide in some parts of the country in security.
我的意思是，大家都承认，不能仅靠军队来达到这个目标，但至少就近期来说，军队对扭转阿富汗某些地区安全形势恶化的局面是必不可少的。
www.america.gov
18. An essential component for all of these actions (stated explicitly in the last one) is the ability and the authority to make decisions.
所有这些行为中的必要部分（在最后一个中明确地陈述了）是制定决策的能力和权力。
www.ibm.com
19. In this competitive society it is essential to know how to sell yourself in order to get the job you want.
在这个竞争激烈的社会中，为了得到你想要的工作，知道如何自我推销是很重要的。
www.ebigear.com
20. Each of these places reminds us that investments in education, innovation, and infrastructure are an essential down payment on our future.
这些地方中的每一个都提醒我们在教育、创新以及基础建设上的投资是对我们未来的必要首付。
www.ebigear.com
21. It was essential - for our economy, our security, and our planet - that we finally tackle this challenge.
至关重要的是，为了我们的经济、安全和星球，我们终于着手解决这一挑战。
article.yeeyan.org
22. The space between her arm and the figures is essential.
她的手臂和这些人物之间的空间是必不可少的。
www.ngpod.cn
23. The space between her arm and the figures is essential.
她的手臂和这些人物之间的空间是必不可少的。
www.ngpod.cn
24. Protein is essential to life.
蛋白质是生命必不可少的。
-- 来源 -- 英汉 - 辞典例句
25. Essential services (ie the supply of water, electricity, etc) will be maintained.
基本的公用业务（水电等的供应）一定得到保障.
-- 来源 -- 英汉 - 辞典例句
26. Is money essential to happiness?
金钱对於幸福是必不可少的吗?
-- 来源 -- 英汉 - 辞典例句
27. National unity is essential in wartime.
战时举国团结一致十分重要.
-- 来源 -- 英汉 - 辞典例句
28. Physical models are essential to understanding how a device will be manipulated.
对于了解一种设备如何被持握和携带，物理模型是非常有必要的。
-- 来源 -- About Face 3交互设计精髓
29. It is therefore essential to know the age distribution in the population.
所以，了解在该种群中的年龄组配状况是很重要的。
-- 来源 -- 英汉 - 辞典例句
30. The accuracy is the most essential in the translation.
正确性在翻译中是最重要的。
-- 来源 -- 英汉 - 辞典例句
31. They’re also essential for fine-tuning such behaviors as how quickly a screen scrolls in response to turning a hardware knob.
对于有些操作的微调也很有好处，比如拨动一个硬件的旋钮时屏幕滚动的快慢响应等。
-- 来源 -- About Face 3交互设计精髓
32. In brief, we’ve found the following to be essential components to successful formative usability tests:
简言之，下面几点对成功进行进展式可用性测试非常必要。
-- 来源 -- About Face 3交互设计精髓
33. It has great power to influence the effectiveness and appeal of a product, but for this potential to be fully realized, visual design must not be an afterthought (i.e., “putting lipstick on a pig”), but should be thought of as an essential tool for satisfying user and business needs.
它可以对产品的吸引力和效力产生很大影响，但要完全发挥这方面的作用，视觉设计一定不能在事后进行（也就是我们在第1章所说的“猪涂口红”），而是一定要将其作为满足用户和业务需求的必要的工具。
-- 来源 -- About Face 3交互设计精髓
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