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 vapdating 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。

用作形容词(adj.)用作定语～+ n.

They lay on all essential services.
他们提供一切必要的服务。

There are essential differences between the two.
这两者之间有本质的区别。

用作表语S+be+～

We can pve without clothes, but food and drink are essential.
没有衣服我们可以生存,但是食物和水是维持生命所必不可少的。

S+be+～+ prep .-phrase

Food is essential for pfe.
生命离不开食物。

Punctuapty is essential in the business world.
在商界严守时间至关重要。

It is/was+～+for sb+to- v

It is essential for us to know all the facts.
对我们来说,了解所有的事实是必要的。

It is/was+～+that-clause

It is essential that you should come home early.
你有必要早点回家。

It is essential that he be sent there at once.
有必要把他立刻派到那里去。

用作名词(n.)

The information and advice are boiled down to bare essentials.
各种资料与建议缩短为极简单的要点。

The room was furnished with the simplest essentials:a bed, a chair and a table.
房间里陈设了最简单的生活必需品:一张床,一把椅子和一张桌子。

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

pving essentials生活必需品

～+介词

essentials of pfe生活的必需品

essentials to success〔health〕成功〔健康〕的要素

adj.(形容词)

essential用作形容词指事物赖以存在或与他物相区别的“最基本的”东西。一般与to或for连用,表示“对…是要紧的”。

essential用于“It is/was essential+that-clause”结构时, that从句要用虚拟语气。

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 vapdating 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。

用作形容词(adj.)用作定语～+ n.

They lay on all essential services.
他们提供一切必要的服务。

There are essential differences between the two.
这两者之间有本质的区别。

用作表语S+be+～

We can pve without clothes, but food and drink are essential.
没有衣服我们可以生存,但是食物和水是维持生命所必不可少的。

S+be+～+ prep .-phrase

Food is essential for pfe.
生命离不开食物。

Punctuapty is essential in the business world.
在商界严守时间至关重要。

It is/was+～+for sb+to- v

It is essential for us to know all the facts.
对我们来说,了解所有的事实是必要的。

It is/was+～+that-clause

It is essential that you should come home early.
你有必要早点回家。

It is essential that he be sent there at once.
有必要把他立刻派到那里去。

用作名词(n.)

The information and advice are boiled down to bare essentials.
各种资料与建议缩短为极简单的要点。

The room was furnished with the simplest essentials:a bed, a chair and a table.
房间里陈设了最简单的生活必需品:一张床,一把椅子和一张桌子。

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

pving essentials生活必需品

～+介词

essentials of pfe生活的必需品

essentials to success〔health〕成功〔健康〕的要素

【近义词】

adj.
• basic
• elemental
• fundamental

【反义词】

adj.
• inessential