Question

essential adj.本质的；必要的；重要的n.要素；必需品 (1) 这当然仍是本质的方法。(2) 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.(3) 如果你想把事情做好,专心是必要的。(4) 民众教育对提倡民主是非常重要的。(5) 第一要素当然是知道自己想要什么。(6) 我们只来得及装上几件必需品。(7) 一个人决不该疏忽了这些社交上的必需品。 The adjective essential is often followed by to or that: It is essential to wash your hands. It is essential that you dry them after. This adjective is from Middle English essencial, from Late Latin essentialis, from Latin essentia "the basic nature of a thing, its essence" plus the Latin suffix -alis "relating to."

Accepted Answer

英 [ɪ'senʃl] 美 [ɪ'senʃl] (1) This is of course still the essential method.(2) This is desirable but by no means essential to the primary objective of validating mathematical models of aircraft behaviour.(3) Concentration is essential if you want to do a good job.(4) Mass education is essential in promoting democracy.(5) The first essential, of course, is to know what you want.(6) We only had time to pack a few essentials.(7) A man should never neglect these social essentials. Essential means very basic or necessary. A good frying pan is one of a short list of kitchen essentials every cook must have. To prevent fires, it's essential to turn off appliances before leaving the house. 1[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]绝对必要的；必不可少的；基本的 Something that is essential is extremely important or absolutely necessary to a particular subject, situation, or activity.   [oft it v-link ADJ to-inf]It was absolutely essential to separate crops from the areas that animals used as pasture...将庄稼和放牧区分开绝对必要。As they must also sprint over short distances, speed is essential...由于他们也必须进行短跑，因此速度至关重要。Jordan promised to trim the city budget without cutting essential services.乔丹承诺在不减少基本服务的前提下，缩减市政预算。2[N-COUNT 可数名词]必需品；不可或缺之物 The essentials are the things that are absolutely necessary for the situation you are in or for the task you are doing.   [usu pl]The flat contained the basic essentials for bachelor life.那套公寓配有单身生活的基本必需品。3[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]基本的；本质的；根本的 The essential aspects of something are its most basic or important aspects. Most authorities agree that play is an essential part of a child's development...大多数权威人士都同意，玩耍在孩子成长过程中起着非常重要的作用。In this trial two essential elements must be proven: motive and opportunity.在这次审讯中，必须证明两个基本因素：动机和时机。4[N-PLURAL 复数名词]（某学科的）基础，基本知识 The essentials are the most important principles, ideas, or facts of a particular subject. ...the essentials of everyday life, such as eating and exercise...饮食、锻炼等日常生活的要素This has stripped the contest down to its essentials.这就使比赛精简到最基本的环节。...the bare essentials.最简单的基本知识

英语单词	essential
英美音标	英 [ɪ'senʃl] 美 [ɪ'senʃl]
中文释义	adj.本质的；必要的；重要的 n.要素；必需品
英语例句	(1) This is of course still the essential method. (2) This is desirable but by no means essential to the primary objective of validating mathematical models of aircraft behaviour. (3) Concentration is essential if you want to do a good job. (4) Mass education is essential in promoting democracy. (5) The first essential, of course, is to know what you want. (6) We only had time to pack a few essentials. (7) A man should never neglect these social essentials.
中文例句	(1) 这当然仍是本质的方法。 (2) 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. (3) 如果你想把事情做好,专心是必要的。 (4) 民众教育对提倡民主是非常重要的。 (5) 第一要素当然是知道自己想要什么。 (6) 我们只来得及装上几件必需品。 (7) 一个人决不该疏忽了这些社交上的必需品。
vocabulary简明	Essential means very basic or necessary. A good frying pan is one of a short list of kitchen essentials every cook must have. To prevent fires, it's essential to turn off appliances before leaving the house.
vocabulary扩展	The adjective essential is often followed by to or that: It is essential to wash your hands. It is essential that you dry them after. This adjective is from Middle English essencial, from Late Latin essentialis, from Latin essentia "the basic nature of a thing, its essence" plus the Latin suffix -alis "relating to."
柯林斯解释	1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]绝对必要的；必不可少的；基本的 Something that is essential is extremely important or absolutely necessary to a particular subject, situation, or activity. [oft it v-link ADJ to-inf] It was absolutely essential to separate crops from the areas that animals used as pasture... 将庄稼和放牧区分开绝对必要。 As they must also sprint over short distances, speed is essential... 由于他们也必须进行短跑，因此速度至关重要。 Jordan promised to trim the city budget without cutting essential services. 乔丹承诺在不减少基本服务的前提下，缩减市政预算。 2 [N-COUNT 可数名词]必需品；不可或缺之物 The essentials are the things that are absolutely necessary for the situation you are in or for the task you are doing. [usu pl] The flat contained the basic essentials for bachelor life. 那套公寓配有单身生活的基本必需品。 3 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]基本的；本质的；根本的 The essential aspects of something are its most basic or important aspects. Most authorities agree that play is an essential part of a child's development... 大多数权威人士都同意，玩耍在孩子成长过程中起着非常重要的作用。 In this trial two essential elements must be proven: motive and opportunity. 在这次审讯中，必须证明两个基本因素：动机和时机。 4 [N-PLURAL 复数名词]（某学科的）基础，基本知识 The essentials are the most important principles, ideas, or facts of a particular subject. ...the essentials of everyday life, such as eating and exercise... 饮食、锻炼等日常生活的要素 This has stripped the contest down to its essentials. 这就使比赛精简到最基本的环节。 ...the bare essentials. 最简单的基本知识

Essential Basic Latin Important Absolutely Means Good Short