And this is really interesting to think about because you can imagine in our body we have concentrations of all types of ions, and specifically, some seem very, very similar to each other.

这是非常令人感兴趣的,因为大家可以想象一下，在我们的体内我们有,一定浓度的任何类型的离子，而且特别地，其中有一些非常非常地相似。

麻省理工公开课 - 化学原理课程节选

In addition, the kidney controls the composition of your body of many important ions, sodium bicarbonate which is important in pH balance, potassium.

此外肾脏还能控制,体内很多重要离子的浓度,例如碳酸氢钠,它对于酸碱平衡十分重要,还有钾离子

耶鲁公开课 - 生物医学工程探索课程节选