leach：释义

To remove soluble or other constituents from by the action of a percolating liquid.

To empty; drain: "a world leached of pleasure, voided of meaning” ( Marilynne Robinson).

To be dissolved or passed out by a percolating liquid.

The act or process of leaching.

A porous, perforated, or sievelike vessel that holds material to be leached.

The substance through which a liquid is leached.