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BNC: 16809 COCA: 14435
leachverb [ T ]uk/liːtʃ/ us/liːtʃ/ specialized

[ I or T ] When a chemical substance leaches or is leached from a material, especially soil, it is removed by the action of water passing through the material.漂洗,過濾(尤指土壤)

The calcium, potassium, and magnesium ions are leached or washed out of the top soil into lower inaccessible subsoil.鈣、鉀和鎂離子被濾出表層土壤流入低層土壤卻無法被吸收。

[ T ] When soil, etc. has been leached, it has had chemical substances removed from it.(指土壤等)被漂洗,被過濾

The soil has been so heavily leached through intensive farming that it is no longer fertile.過度耕作使養分大量流失導致土地貧瘠。
BNC: 16809 COCA: 14435
BNC: 16809 COCA: 14435
leach verb
leak
BNC: 16809 COCA: 14435
leach
Chemical reactions and processes: action, adsorb, aerate...

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