Phenol, as a essential chemical material, is widely utilized.
苯酚是一种重要的有机化工原料，用途广泛。
Experience in test equipment such as digital multimeter, oscilloscope, I2C analyzer, and power suppliers is a essential.
在测试设备的经验，例如数字万用表，示波器和I2C分析仪，电力供应是必不可少。
According to the characteristics of the unit suit for jacket platform provided by ANSYS, concluded a essential process and method for the jacket platform construction analysis with ANSYS.
根据ANSYS提供的适合导管架平台的单元的特点，归纳出进行导管架平台结构有限元分析的基本过程和基本方法。
A firewall provides an essential security blanket for your computer network.
防火墙为计算机网络提供了基本安全保障。
A rich and varied cultural life is essential for this couple.
丰富多彩的、多样化的文化生活对于这对夫妇而言是必不可少的。
It is essential to build up the military option and show that this is not a bluff.
重要的是准备军事解决途径来证明这并不是虚张声势。
A ceasefire is an essential precondition for negotiation.
停火是谈判的必要前提。
Most authorities agree that play is an essential part of a child's development.
大多数权威人士认为玩耍是孩子成长的一个重要部分。
We must pour out a large stream of essential words, unhampered by stops, or qualifying adjectives, or finite verbs.
我们必须大量使用基本词汇，不受句号、修饰性形容词或限定动词的限制。
Used metaphorically, the juxtaposed terms connote specific or essential traits of the being they refer to, introducing a mode of poetry as an almost habitual form of expression.
用比喻的方式，并列的术语隐含着它们所指称的存在的具体或本质的特征，引入了一种诗歌的模式作为习惯性的表达形式。
As a day-to-day essential, it will die off with the generation who read print newspapers.
作为一种日常必需品，它将随着阅读纸质报纸的一代人而消亡。
Another opinion is that the paintings were directly related to hunting and were an essential part of a special preparation ceremony.
另一种观点认为，这些画与狩猎直接相关，是一项特殊的准备仪式的一个重要组成部分。
Firstly, ambition plays an essential role because it serves as a driving force for people to achieve success.
首先，志向起着至关重要的作用，因为它是人们取得成功的动力源泉。
It's said that clichés are the worst sin a writer can commit, but to an oral bard, they were essential.
人们常说，陈词滥调是作家可能犯下的最严重的错误，但对于一个口头吟游诗人来说，它们是必不可少的。
So we've been talking about nutrients, the elements in the environment that are essential for living organisms to develop, live a healthy life, and reproduce.
所以我们一直在讨论营养，环境中的元素对于生物体的发展，健康的生活和繁殖是必不可少的。
"It is the recognition of a child's attempt, or the process in which they achieved something, that is essential," she says.
她说：“认可孩子的尝试，或是他们取得成就的过程，才是至关重要的。”
Creating this sanctuary is a bold move that the people of Palau recognise as essential to our survival.
建立这个保护区是一个大胆的举措，帕劳人民认为这对我们的生存来说至关重要。
Encouragement from parents is essential for a child.
父母的鼓励对孩子来说是至关重要的。
It is a monumental scientific achievement, and its development illustrates the essential interplay between observation, prediction, and testing required for scientific progress.
它是一项不朽的科学发现，而且它的出现说明了观察、预测和检验（科研进程中必须的活动）之间基本的相互影响。
I agree that providing more access to public parks and sports facilities is an essential element when designing a new town.
我同意提供更多的公园和体育设施是设计新城镇时必不可少的元素。
Hard work is often an essential ingredient of luck because it enables one to take advantage of a lucky encounter.
努力工作通常是运气的重要组成部分，因为它能让人具备利用幸运际遇的能力。
We all seem to agree that a college education is wonderful, and yet strangely we worry when we see families investing so much in this supposedly essential good.
我们似乎都同意大学教育是极好的，但奇怪的是，当我们看到家庭在这个本应是必不可少的好东西上投入如此之多时，我们却感到担忧。
A basic sense of rhythm and pitch is essential in a music teacher.
基本的韵律感和音高感是音乐教师的必备素质。
It is essential that you are able to read a thermometer.
能读出温度计上的温度是基本要求。
The possession of a passport is essential for foreign travel.
出国旅行必须持有护照。
A degree is an essential prerequisite for employment at this level.
学位是做这级工作必备的先决条件。
Pursuing a career is an essential part of adolescent development.
追求事业是青少年发展的重要部分。
Pursuing a career is an essential part of adolescent development.
追求事业是青少年发展的重要部分。
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