A perforated vessel to hold wood ashes through which water is passed to extract the lye.

过滤器(一种有孔的容器，内置木灰，使水流过)；滤器。

Leachate.

碱水；滤出液体。

The process of leaching.

滤出过程。

To dissolve out by the action of percolating liquid.

用浸滤法溶解出。

To subject to the action of percolating liquid (as water) in order to separate the soluble components.

以水滤除；水漂。

To pass out or through by percolation.

过滤。