Nutrition is considered the process, the behavioral process by which people require--acquire nutrients, and use them to promote vital activities.

营养作用就是营养的供给和摄取,也就是人们摄取营养,并将其转化为生命力的行为过程

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It seems that computer technology is vital in making visual effects. What if we didn't have it?

好像计算机技术对视觉特效很有用。要是没有这个我们会怎么样？

没有特效的话 - SpeakingMax英语口语达人

He says: It had only been through books, at best no more than vicarious cultural transfusions, that I had managed to keep myself alive in a negatively vital way.

并加以思索，他说，：,“唯有通过读书，这种让文化在我心中产生共鸣的方式,才能维系我生存的勇气。

耶鲁公开课 - 1945年后的美国小说课程节选

They appear in food in pretty small amounts which is why they're the micronutrients;, but they're vital for health, so if you're deficient in micronutrients you've got big problems.

它们在食物中所占比重很小,这也是称它们为"微量元素"的原因,但它们对健康的意义却是至关重要的,如果缺乏微量元素的话会很糟糕

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It emerged from a unique history in which chance and accident often played a vital part.

它出现在这段独特的历史中,其中机遇和偶然性扮演了重要角色

耶鲁公开课 - 古希腊历史简介课程节选

So, I mean, they're vital and, you know, to make a virtual character,

所以，我是说，他们很重要，你知道做一个虚拟的人物，

没有特效的话 - SpeakingMax英语口语达人

It's very important because it provides-- does provide energy but it helps with muscle building and with the manufacturing the body does of its own proteins, and therefore, is a vital part of the diet.

蛋白质非常重要,因为它能提供,的确能提供能量,但它也能帮助肌肉塑形,参与身体内自身蛋白的合成,因此是饮食中不可或缺的组成部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选