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essential
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Derivatives :
adv
essentially
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Collins English-Chinese Dictionary
- essential
[ɪ'sεnʃl]
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1.
adjective
(necessary，vital) 必要的
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2.
adjective
(basic) 基本的
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3.
npl
essentials (necessities) 必需品
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it is essential that...
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…是必要的
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it is essential to...
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必须…
Comprehensive English-Chinese Dictionary
- essential
[ɪˈsenʃəl]
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1.
adjective
绝对必要的，必不可少的
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It's not essential for me to have four houses.
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我没必要拥有四所房子。
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2.
adjective
基本的，基础的
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Light is absolutely essential for the healthy development of green plants.
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光线对于绿色植物的健康成长绝对不可或缺。
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3.
adjective
首要的，最重要的
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The essential feature of the book is the voice of the author.
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这本书的最重要特征是作者的声音。
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4.
adjective
精华的，提炼的
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English manufacturers extract the essential oil through milling process.
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英国制造厂通过碾磨工艺提取精油。
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5.
adjective
实体的，规定了具体权利和义务的
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Essential laws provide basic services to all citizens.
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实体法规定了向所有公民提供的基本服务。
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6.
n.[c]
[Plural]
必需品
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Her bag was light now, only packed with the bare essentials.
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她的包现在很轻了，只装了些必需品。
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7.
n.[c]
要素，要点
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Ken seemed to have grasped the essentials of public debate.
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肯好像抓住了这场公开辩论的精髓。
Collins English-English Dictionary
- essential
[ɪ'sεnʃəl]
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1.
adj
vitally important; absolutely necessary
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2.
adj
basic; fundamental
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the essential feature
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3.
adj
completely realized; absolute; perfect
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essential beauty
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4.
adj
[biochem]
(of an amino acid or a fatty acid) necessary for the normal growth of an organism but not synthesized by the organism and therefore required in the diet
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5.
adj
derived from or relating to an extract of a plant, drug, etc
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an essential oil
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6.
adj
[logic]
(of a property) guaranteed by the identity of the subject; necessary. Thus, if having the atomic number 79 is an essential property of gold, nothing can be gold unless it has that atomic number
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7.
adj
[music]
denoting or relating to a note that belongs to the fundamental harmony of a chord or piece
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8.
adj
[pathol]
(of a disease) having no obvious external cause
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essential hypertension
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9.
adj
[geology]
(of a mineral constituent of a rock) necessary for defining the classification of a rock. Its absence alters the rock's name and classification
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10.
n
something fundamental or indispensable
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a sharp eye is an essential for a printer
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11.
n
[music]
an essential note
Examples
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an essential oil
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(香)精油
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Grammar is essential to language.
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语法对学习语言至关重要。
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Before the days of computers, typewriters were an essential tool in every office.
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电脑问世之前，打字机是每个办公室的基本设备。
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In every Early Childhood Education program the parents are an essential element.
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在每个儿童的早期教育计划里，父母都是最基本的因素。
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it is essential to...
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必须…
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