受热或者是酸度的变化能够打断普通的氨基酸之间的键，从而引起蛋白质失去其空间结构。
Changes in heat and acidity break normal bonds between amino acids, causing proteins to lose their 3D structure.
这些药品的特性被设计为根据酸度的微小变化更改自身的生物药效率，以使它们作用于人体的特定组织。
Drugs are designed so that small changes in acidity alter their bioavailability, helping to route them to the bodily tissues where they are needed.
正常的链接是二硫键，可以被热度和酸度变化所破坏，导致蛋白质失去三维结构。
The normal kind of bonds - disulphide bonds - can be broken by changes in heat and acidity, causing proteins to lose their 3d structure.
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