We ended the day with Bohr's model of the atom, which derived from the conceptualization of Rutherford.

那天课的结尾我们讲了从卢瑟福的概念中，衍生出来的波尔的原子模型。

麻省理工公开课 - 固态化学导论课程节选

They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.

它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成

耶鲁公开课 - 生物医学工程探索课程节选

The trouble with the etymology of theory and the way in which the word has been used traditionally is that sometimes it actually means practice, and then at other historical periods it means something very different from practice, something typically from which practice is derived.

理论这个词在词源,和传统的使用方法上的复杂之处在于,它有时候指的是实践，但在特定的历史时期,它指的是和实践非常不同的东西，也就是实践产生的依据。

耶鲁公开课 - 文学理论导论课程节选

Many of them are derived from cholesterol and they're hydrophobic, which means they can penetrate through cell membranes.

多数分子都来自于胆固醇,它们是疏水性的,这意味着它们能够穿过细胞膜

耶鲁公开课 - 生物医学工程探索课程节选

Its molecules are pieces of molecules often derived from foreign pathogens which stimulate an immune response.

它通常是从激发免疫反应的,外源病原体中分离出的碎片

耶鲁公开课 - 生物医学工程探索课程节选