And that was all about the different sort of buffer systems.

这就是不同类型的缓冲系统。

So, let's consider the buffering system of the Clark Fork river.

那么， 让我们考虑一下克拉克福克河的缓冲系统。

If you were listening, you learned that some bodies of water, like the Clark Ford river, have natural protection from acid rain in the form of a buffering system.

如果你在听， 你就会了解到一些水体， 比如克拉克福特河，以缓冲系统的形式对酸雨有天然的保护作用。