这种蛋白质的分子多少像个球形，构成该蛋白质的氨基酸链的不同部分之间有内部交叉联结，正是这种力量使这些分子保持那种形状。
The molecules of this protein are more or less globular, and are held in that shape by internal cross-links between different parts of the amino-acid chain of which the protein is composed.
三位科学家开发了一个被称为钯催化交叉偶联的过程，一种使碳原子紧密结合在一起的方法，因此，它们就可以为有机分子形成一个稳定的“框架”。
The trio developed a process known as palladium-catalysed cross coupling, a means of knitting carbon atoms together so that they form a stable "skeleton" for organic molecules.
温室位于众多景观的交叉路口，使各种展品构成为一个整体。
The Greenhouse is situated at the intersection of many landscapes and offers a way to unite the varied exhibit into a cohesive whole.
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