Now, the word potash originally referred to that stuff which, chemically, is potassium carbonate, but potash has become a catchall term referring to lots of potassium-containing compounds.

词最初指的是种物质，学上是碳，但“”已成为一统称，指的是多种合物。

Now, this also gets the name potash even though the name originally referred to ash in a pot, potassium carbonate.

现在，它也被称为肥 尽管名字最初是指锅里的灰烬，碳。