That is important, that elements, because they are the building blocks, they combine in whole number multiples.

这很主要，元素，因为它们在组成区块，它们化合成整数倍。

麻省理工公开课 - 固态化学导论课程节选

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

And it's important innovation in several different ways and we're going to talk about this whole science of building artificial organs, devices that are made out of totally synthetic components to replace the function of your natural organs, and the artificial heart is a good example of that.

在很多方向上也做出了重要的创新,我们会讲到,制造人造器官的技术原理,这些装置完全用合成材料制成,能够取代人体器官的功能,人造心脏就是一个很好的范例

耶鲁公开课 - 生物医学工程探索课程节选