essential-主題

essential

[i'senʃəl]

adj.本質的, 必要的, 重要的 
n.要素, 必需品

例句與用法：

In considering this problem, you should grasp its essentials.

在考慮這一問題時，你應當抓住實質。

Her most essential quality is kindness.

她最主要的品質是善良。

Food is essential to life.

食物對生命是必不可少的。

詞形變化：

副詞: essentially | 名詞: essentiality |

英文解釋:

名詞 essential:

anything indispensable

同義詞：necessity, requirement, requisite, necessary

形容詞 essential:

absolutely necessary; vitally necessary

同義詞：indispensable

basic and fundamental

of the greatest importance

同義詞：all-important, all important, crucial, of the essence

being or relating to or containing the essence of a plant etc

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

同義詞：substantive

absolutely required and not to be used up or sacrificed

同義詞

necessary | vital | basic | fundamental | important | indispensable | needed | required | requirement | necessity | urgent | elementary | primary | significant | constitutional | burning | organic | highlight | subjective | cardinal | virtual | principal | component | elemental | grave | key | lifeblood | essence | quintessence | prerequisite | need | want | requisite | of the essence | crucial | all important | substantive | all-important | inherent | radical |

反義詞

inessential |

以上來源於大辭典