In order for these ingredients to commingle and react with each other, they need a liquid solvent: water.

为了使这些成分相互混合和反应，它们需要一种液体溶剂：水。

In order for these ingredients to comingle and react with each other, they need a liquid solvent: water.

为了使这些成分相互反应，他们需要一种液体溶剂：水。

Since I'm already starting with a solution, I need to add even more solvent, water, probably in this tub right here, so let's just get that out of there.

因为我已经开始使用溶液了，所以我需要添加更多的溶剂、水， 可能就在这个浴缸里， 所以让我们把它从那里拿出来。