This is just what happens when hexamethylenediamine meets adipic acid forming another branded polymer, nylon.

这正是六亚甲基胺遇到形成另一种品牌聚合物尼龙时发生情况。

For example, it can respond to decreasing pHs by getting rid of one of the most common acid forming molecules—carbon dioxide— by well, breathing a little more.

例如，它可以依靠多呼吸方式摆脱最普性形成分子，即氧化碳，从而对碱值降低做出反应。