adj. 1.本质的；实质上的，实在的。 2.根本的，必需的；主要的，紧要的 (to)。 3.理想中的，完美的。 4.提炼的，精华的；【音乐】基本的；【医学】特发的，自发的。 短语和例子 essential elements 要素。 essential ingredients 主要成分。 n. 〔常 pl.〕本质；要点，要素，要件。 essentials of English Grammar 英语语法要点。 essentials of life 生活必需品。 adv. -ly 本质上；本来；根本。
defining rights and duties as opposed to giving the rules by which rights and duties are established; "substantive law" 同义词：substantive,
basic and fundamental; "the essential feature"
being or relating to or containing the essence of a plant etc; "essential oil"
of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence" 同义词：all-important, all important, crucial, of the essence,
absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker" 同义词：indispensable,
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" 同义词：necessity, requirement, requisite, necessary,
例句与用法
1.
The situation came down to one essential . 情况取决于至关重要的一点。
2.
Intercellular communication is essential . 最重要的是细胞间的联系。
3.
This is of course still the essential method . 这当然仍是本质的方法。
4.
This is essential for our mutual benefit . 这对我们的共同利益是必要的。
5.
Libby had an instinct for essentials . 利比具有善于抓住事物实质的本能。
6.
A knowledge of french is an absolute essential . 会些法语是非常必要的。
7.
We only had time to pack a few essentials . 我们只来得及装上几件必需品。
8.
I acquit edward of all essential misconduct . 我原谅爱德华的所有根本过错。
9.
Sulfur is an essential nutrient for plants . 硫是植物的一种重要的营养元素。
10.
I can tell you that it is absolutely essential . 我可以告诉你这件事极端重要。
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