要把社区工作做好，协作活动是必不可少的。
Cooperative activity is essential to effective community work.
即使在小公司里，计算机也是必不可少的工具。
智能计算机很快将会成为每位医生必不可少的诊断工具。
Intelligent computers will soon be an indispensable diagnostic tool for every doctor.
责任感和可靠性是必需的素质，友善和外向的性格也必不可少。
Responsibility and reliability are necessary qualifications, as well as a friendly and outgoing personality.
汽车已成了我们生活中必不可少的一部分。
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。
A rich and varied cultural life is essential for this couple.
在工作场所，信任也是必不可少的。
直到最近，科学家们还认为光是必不可少的。
Until recently, scientists thought that light was essential.
诸如最低操作年龄、限制操作区域和水上安全必修课等规定是必不可少的。
Regulations such as minimum operating age, restricted operating areas and compulsory classes in water safety are essential.
帮助工人去适应的政策将是必不可少的。
但帮助工人去适应的政策将是必不可少的。
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。
It's said that clichés are the worst sin a writer can commit, but to an oral bard, they were essential.
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。
I agree that providing more access to public parks and sports facilities is an essential element when designing a new town.
氧气在细胞呼吸的新陈代谢过程中是必不可少的，它能使细胞有效地从有机食物中获取能量。
Oxygen is essential for the metabolic process known as cell respiration that allows cells to efficiently harvest energy from organic food.
情感是我们意识中必不可少且不可分割的一部分。
Emotions are an essential and inseparable part of our consciousness.
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。
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.
选举制度是维持议会民主所必不可少的。
Elections are essential for the sustenance of parliamentary democracy.
旅游保险费用看起来似乎是没必要的，但却是必不可少的开支。
Taking out travel insurance may seem an unnecessary expense, but it is a must.
在每个人的衣橱里，牛仔裤是必不可少的。
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。
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.
化学物质的蒸发对它们的生存是必不可少的。
The evaporation of chemicals is necessary for their survival.
也许首先展开的不是在经济或社会层面上的斗争，而是为占有对生命本身必不可少的空气而斗争。
Perhaps struggle unfolds first, not at an economic or social level, but over the appropriation of air, essential to life itself.
为了获得成功的结果或回报，一定程度的风险几乎总是必不可少的。
In order to achieve a successful outcome or reward, some level of risk is almost always essential.
事实上，这种更高级别的表现力对于主导19世纪音乐的浪漫主义风格来说是必不可少的。
This capacity for increased expressiveness, in fact, was essential to the Romantic style that dominated 19th century music.
是的，饺子是必不可少的。
教授提到了两个仆人之间的对话，以解释剧作家如何建立起一部好剧本中必不可少的场景。
The professor mentions a conversation between two servants in order to explain how playwrights develop the obligatory scene of a well-made play.
塞内加尔首都主要医院的精神科医生将其视为治疗过程中必不可少的一部分。
Psychiatrists in the Senegalese capital's main hospital see it as an essential part of the healing process.
在整个食品生产周期中，能量是一种必不可少的资源，据估计，生产一卡路里的食品平均需要7-10卡路里的投入。
Energy is an essential resource across the entire food production cycle, with estimates showing an average of 7-10 calories of input being required in the production of one calorie of food.
给人留下良好的印象是日常生活中必不可少的。
为实现我们所寻求的经济增长，我们需要开启一个能使我们的经济在未来数十年中获得动力的必不可少的增长源泉。
To achieve the economic expansion we all seek, we need to unlock a vital source of growth that can power our economies in the decades to come.
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