脚是非常特殊的、由26块细小骨头组成的结构体。

The feet are highly specialized structures made up of 26 small delicate bones.

《柯林斯英汉双解大词典》

这一发明就是拱门，一种最初由分段的石头或砖块组成的弧形结构。

That invention was the arch, a curved structure originally made of separate stone or brick segments.

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长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。

Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.

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We'll see why they have to separate that in a minute, but they do that these lipid bi-layers solve that problem for them and they're self-assembled structures from these molecules called phospholipids.

我们马上会讲到为什么要把它们隔离开,脂质双层膜解决了这个问题,而这些自主装结构,就是由磷脂分子组成的

耶鲁公开课 - 生物医学工程探索课程节选

I think most of you know something about the sort of architecture and normal structure of a cell and the components within it and the chapter, Chapter 5, has a good description of that for those of you want a refresher.

我想大部分同学都知道一些细胞的,结构组成和构成成分,想回顾一下的同学,可以看下第五章,描述的很详细

耶鲁公开课 - 生物医学工程探索课程节选

So, what I want to do is start off small, with the smallest interesting part of the brain and then get bigger and bigger and bigger talk about how the small part of the brain, the neurons, the basic building blocks of thought, combine to other mental structures and into different subparts of the brain and finally to the whole thing.

我将从细微入手,从大脑最细微的部分开始,然后逐步扩大,来谈谈大脑的基本单元,也就是神经元,也是思考的基本构造,是如何组成其他心理结构的,又是如何形成不同脑组织的,最终构建出了整个的大脑

耶鲁公开课 - 心理学导论课程节选