to remove or be removed from a substance by a percolating liquid 过滤
noun [具体名词] [矿业]沥滤
The aqua regia and chlorination leaching provided a rapid rate of dissolution. 王水法和氯化法溶金速率快。
verb [vt. 及物动词] [矿业][冶]浸出(leach 的 ing 形式);[土壤]淋洗;滤取;滤去
The most obvious cost of inaction is the leaching away of trust. 不作为最明显的代价就是信任的流失。