essential
美 [ɪ'senʃ(ə)l] 
英 [ɪ'senʃ(ə)l] 
- n.要点;要素;实质;必需品
 - adj.完全必要的;必不可少的;极其重要的;本质的
 - 网络基本的;必需的
 
复数:essentials  
adj.+n.
essential part,essential information,essential role,essential nature,essential component
essential
显示所有例句
1.  | 完全必要的;必不可少的;极其重要的completely necessary; extremely important in a particular situation or for a particular activity  | 
an essential part/ingredient/component of sth 某事物必不可少的一部分╱成分╱组成部分  | |
essential services such as gas, water and electricity 诸如燃气、水、电等基本公共事业  | |
The museum is closed while essential repairs are being carried out. 博物馆正在进行大修,在此期间暂停开放。  | |
Even in small companies, computers are an essential tool. 即使在小公司里,计算机也是必不可少的工具。  | |
Money is not essential to happiness. 金钱对于幸福并非必不可少。  | |
Experience is essential for this job. 对于这个工作,经验是非常重要的。  | |
It is essential to keep the two groups separate. 将这两组分开是完全必要的。  | |
It is essential that you have some experience. 你必须要有些经验。  | 
2.  | [obn] 本质的;基本的;根本的connected with the most important aspect or basic nature of sb/sth  | 
The essential difference between Sara and me is in our attitude to money. 我与萨拉的根本区别在于我们对金钱的态度。  | |
The essential character of the town has been destroyed by the new road. 这个城镇的主要特色被这条新公路毁了。  | 
1.  | 必不可少的东西;必需品something that is needed in a particular situation or in order to do a particular thing  | 
I only had time to pack the bare essentials(= the most necessary things) . 我只来得及装上最基本的用品。  | |
The studio had all the essentials like heating and running water. 工作室里具备所有的基本设施,如暖气装置和自来水。  | 
2.  | 要点;要素;实质an important basic fact or piece of knowledge about a subject  | 
the essentials of English grammar 英语语法基础  |