Lye is leached from wood ashes.

碱液是从木炭中滤取的。

youdao

Wood ashes are leached to extract lye.

木炭被滤过以提取碱液。

youdao

Do add lime, small amounts of wood ashes or crushed eggshells to the compost pile.

一定要在堆肥中加入石灰，少量的木灰和碎蛋壳。

youdao

For example, the New York State Department of Environmental Conservation lists some dos and don'ts of composting on its Web site: Do add lime, small amounts of wood ashes or crushed eggshells to the compost pile.

VOA: special.2009.06.23

The kernel also can be soaked in lye (wood ashes, traditionally) to make hominy, but this process takes several days, so it wasn't always an option.

NPR: Kernels of Truth About Cornmeal

No wood for hot water, so had to use ashes and lye again.

NEWYORKER: Diary of an Interesting Year