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1. Oxford Dictionary

   leach

   • IPA[liːtʃ]

   英式

   • v.
     (with reference to a soluble chemical or mineral) drain away from soil, ash, or similar material by the action of percolating liquid, especially rainwater；subject (soil, ash, etc.) to a leaching process

   • verb: leach, 3rd person present: leaches, gerund or present participle: leaching, past tense: leached, past participle: leached

2. • 釋義

   v.

   動詞

   • 1. (with reference to a soluble chemical or mineral) drain away from soil, ash, or similar material by the action of percolating liquid, especially rainwater the nutrient is quickly leached away pesticides and fertilizers that leach into rivers
   • ▪ subject (soil, ash, etc.) to a leaching process ash is readily leached