So, again, it is based on size, it's a little bit less intuitive than the idea of just straining out all of the potassium ions.

因此，这还是以尺寸为基础的，只是有点不够直观,与钾离子挤不进去的图像相比。

麻省理工公开课 - 化学原理课程节选

that you can barely fit in, where like, you open the door, you like, go in,

你只能勉强挤进去，在那里，你打开门，走进去，

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