1 essential /ɪˈsɛnʃəl/ adjective Learner's definition of ESSENTIAL
[more essential; most essential]
1
: extremely important and necessary极其重要的；必不可少的；绝对必要的 -
As a fighter pilot, he knows that good vision is essential.作为一名战斗机飞行员，他知道拥有良好的视力是至关重要的。
-
Reservations are essential [=necessary, needed] if you plan to eat there on a Saturday.如果你打算星期六在那儿用餐，就必须提前预订。
—
often + to or for —
often followed by to + verb常接动词不定式 —
often + that 2
: very basic : fundamental基本的；本质的；实质的 -
Free speech is an essential right of citizenship.言论自由是公民的一项基本权利。
-
The essential problem with this plan is that it will cost too much.这项计划的实质问题就是成本太高。
-
There's no essential difference between the two products.这两种产品没有实质上的差别。
— essentially
/ɪˈsɛnʃəli/ adverb [more essentially; most essentially] -
All action movies have essentially [=basically, fundamentally] the same plot.所有动作片的情节都基本上雷同。
-
What he says is essentially true.他说的基本是实话。
— essentialness
/ɪˈsɛnʃəlnəs/ noun [noncount] 2 essential /ɪˈsɛnʃəl/ noun
plural essentials
2 essential
/ɪˈsɛnʃəl/
noun
plural essentials
Learner's definition of ESSENTIAL
[count]
: something that is basic or necessary : something essential基本要素；基础；必要的东西 —
usually plural通常用复数 -
the essentials for success成功的基本要素
-
He tried to teach them the essentials of physics in just a week.他试图在短短的一周内教会他们物理学的基础知识。
-
a computer stripped down to its essentials被拆成一个个组件的电脑
-
We only had enough room to pack the bare essentials. [=the things that are absolutely necessary]我们只有装必需品的空儿了。