- It is essential to a person's future academic success.
出自-2016年6月
- As a day-to-day essential, it will die off with the generation who read print newspapers.
出自-2015年12月
- They are essential to students' healthy growth.
出自-2014年6月
- Trust is essential in any important relationship, whether personal or professional.
出自-2011年12月
- It is essential that we act with integrity in order to build the kind of world in which we want to live
出自-2011年12月
- It is essential to our well-being, our health, our happiness.
出自-2010年12月
- Physical activity can improve blood flow to the brain, fueling memory, attention and creativity, which are essential to learning.
2016年6月四级真题（第三套）阅读 Section A
- Speed, of course, is essential to the drive-through experience, and drive-throughs are hugely important to chains such as McDonald's, Burger king and Taco Bell.
2018年6月四级真题（第一套）听力 Section A
- The essential place to visit, however, was Italy.
出自-2017年6月
- Repositories are essential to scientific research.
出自-2017年6月
- ingenuity is essential for science fiction writers
出自-2013年12月
- Energy Usage: Energy is an essential resource across the entire food production cycle, with estimates showing an average of 7-10 calories of input being required in the production of one calorie of food
出自-2013年12月
- It is essential to advanced manufacturing.
出自-2013年6月
- The child of tomorrow, I realized, may actually be ahead of us, in terms of sensing not what is new, but what is essential.
出自-2012年12月
- The youngish-looking man takes his little boy to the hermitage frequently so that when he grows up he will know what is essential
出自-2012年12月
- There is no essential difference between seemingly opposite opinions.
出自-2011年6月
- There is considerable and justified concern that the United States is falling behind much of the rest of the developed world in these essential disciplines.
出自-2010年12月
- What parents do, in other words, is of deep concern to the state, for the obvious reason that caring for children is not only morally urgent but essential for the future of society.
出自-2010年6月
- It lacks the vitamins and minerals essential for health.
出自-2013年6月听力原文
- By explaining some essential geological principles.
出自-2010年6月听力原文
- But this does not apply to everyone, so it is essential to establish your own rhythm.
2017年6月六级真题（第一套）听力 Section C
- Creating this sanctuary is a bold move that the people of Palau recognize as essential to our survival.
2017年12月六级真题（第二套）阅读 Section A
- In order to achieve a successful outcome or reward, some level of risk is almost always essential.
2018年6月六级真题（第三套）阅读 Section C
- It is not only polite, it is essential if we want to sell British products overseas.
2018年6月六级真题（第一套）听力 Section C
- No, I wouldn't ever compromise on the essential, the ideas or the themes.
2017年6月六级真题（第一套）听力 Section A
- Of course, you'll need some time to catch your breath every so often, but the essential massage is keep moving, extending and learning.
2019年12月六级真题（第一套）听力 Section B
- Pursuing a career is an essential part of adolescent development.
2016年6月六级真题（第三套）阅读 Section A
- She decided that she was going to try to just use cash for two weeks to make all of her essential purchases and see what that would do to her spending.
2017年6月六级真题（第二套）听力 Section C
- Darkness is as essential to our biological welfare, to our internal clockwork, as light itself.
2015年高考英语浙江卷 阅读理解 阅读C 原文
- Determining where we are in relation to our surroundings remains an essential skill for our survival.
2017年高考英语江苏卷 单项填空 原文
- Emotional health is essential to a wonderful adult life.
2016年高考英语天津卷 阅读理解 阅读C 选项
- It is an essential part of who we are today and who we will become.
2019年高考英语天津卷 阅读理解 阅读A 原文
- The essential belief of the first free government in the world was liberty for all men who could control themselves and would take responsibility for the state.
2015年高考英语江苏卷 阅读理解 阅读D 原文
- To sum up: a system of conservation based solely on economic self-interest is hopelessly lopsided It tends to ignore, and thus eventually to eliminate, many elements in the land community that lack commercial value, but that are essential to its healthy functioning.
出自-2010年考研翻译原文
- The details may be unknowable, but the independence of standard-setters, essential to the proper functioning of capital markets, is being compromised.
出自-2010年考研
- By all accounts he was a freethinking person, and a courageous one, and I find courage an essential quality for the understanding, let alone the performance, of his works.
出自-2014年考研翻译原文
- I think that, for the majority of scientific papers nowadays, statistical review is more essential than expert review,” he says.
出自-2015年考研
- It's true that high-school coding classes aren't essential for learning computer science in college.
2016年考研真题（英语二）阅读理解 Section Ⅱ
basic, essential, fundamental, radical, vital
这些形容词均有"基本的，基础的"之意。
basic： 普通用词，指明确、具体的基础或起点。
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。
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。
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。
indispensable, essential, necessary, requisite
这些形容词均有"必不可少的，必需的"之意。
indispensable： 语气强，侧重指绝对必要性或不可缺少性。
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。
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。
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。
inherent, essential
这两个形容词均有"内在的，本质的"之意。
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。
