1. 本质的，实质的
2. 基本的，根本的
3. 提炼的，精华的
4. 不可缺的，必不可少的，必要的，必需的
5. 极其重要的
6. 实在的
7. 主要的，紧要的
8. 理想中的，完美的
9. 【音】基本的
10. 【医】特发的

1. 实质，本质，本质的东西，精髓
2. 要素，要点，要旨
3. 必需品，必不可少的东西
4. 主体，要件，主要方面

1. [P]必不可少的,绝对必要的; 非常重要的 necessary; indispensable; most important
2. [A]本质的,实质的,基本的 relating to sb's/sth's basic nature; fundamental

1. [P]要素,要点 fundamentally necessary element or thing
2. [P]必需品 sth that is necessary

1. anything indispensable;

   "food and shelter are necessities of life"
   "the essentials of the good life"
   "allow farmers to buy their requirements under favorable conditions"
   "a place where the requisites of water fuel and fodder can be obtained"
   

1. absolutely necessary; vitally necessary;

   "essential tools and materials"
   "funds essential to the completion of the project"
   "an indispensable worker"
   

2. basic and fundamental;

   "the essential feature"
   

3. of the greatest importance;

   "the all-important subject of disarmament"
   "crucial information"
   "in chess cool nerves are of the essence"
   

4. being or relating to or containing the essence of a plant etc;

   "essential oil"
   

5. defining rights and duties as opposed to giving the rules by which rights and duties are established;

   "substantive law"
   

1.绝对必要的;必不可少的;基本的
Something that isessential is extremely important or absolutely necessary to a particular subject, situation, or activity.

e.g. It was absolutelyessential to separate crops from the areas that animals used as pasture...
将庄稼和放牧区分开绝对必要。
e.g. As they must also sprint over short distances, speed isessential...
由于他们也必须进行短跑，因此速度至关重要。

2.必需品;不可或缺之物
Theessentials are the things that are absolutely necessary for the situation you are in or for the task you are doing.

essential的意思

e.g. The flat contained the basic essentials for bachelor life.
那套公寓配有单身生活的基本必需品。

3.基本的;本质的；根本的
Theessential aspects of something are its most basic or important aspects.

e.g. Most authorities agree that play is anessential part of a child's development...
大多数权威人士都同意，玩耍在孩子成长过程中起着非常重要的作用。
e.g. In this trial twoessential elements must be proven: motive and opportunity.
在这次审讯中，必须证明两个基本因素：动机和时机。

4.（某学科的）基础，基本知识
Theessentials are the most important principles, ideas, or facts of a particular subject.

e.g. ...the essentials of everyday life, such as eating and exercise...
饮食、锻炼等日常生活的要素
e.g. This has stripped the contest down to its essentials.
这就使比赛精简到最基本的环节。

1. 必要的：对每个高中毕业生来说,准备高考是十分必要的(essential) 除非薪水太低,上班太远,否则他就会接受这份工作的(unless)

2. essential的解释

2. 世纪典藏：肯尼吉的<>(essential)精选辑,首周进榜就分别攻下五大唱片和g-music西洋榜的三、五名;曾与他合作的王力宏,则以<>包办双榜冠军. 两人今晚将在香港再携手,王力宏出任Kenny G的演奏会嘉宾,演唱三首歌.