The Open Dictionary

leach

动词

UK/liːtʃ/
US/liːtʃ/

定义 leach 动词

  1. TransitiveIntransitiveenvironment

    To remove a chemical substance from a material, especially soil, by the action of water passing through it.

    • After the heavy rain, nitrates in the soil were leached into the groundwater.

    • Harmful chemicals can be leached out when rainwater passes through a landfill.

    • The pollutants slowly leached out from the contaminated soil and entered the nearby river.

  2. Transitiveenvironment

    To have chemical substances removed from soil or other material by water or other liquid.

    • The soil in this farmland has been severely leached due to excessive irrigation.

    • After years of industrial waste dumping, the surrounding land has been heavily leached of chemical substances.

    • The soil in the old mine has been leached of metal residue and is no longer suitable for cultivation.