V to remove or be removed from a substance by a percolating liquid 过滤
N the act or process of leaching 过滤过程
Once the humus layer disappears, nutrients cannot be recycled and leach from the soil, converting soil from fertile to infertile and making it suitable only for savanna vegetation.
一旦腐殖质层消失，养分就无法从土壤中回收和过滤，致使土壤由肥沃变为贫瘠，只适于热带草原植被的生长。
Mr. Leach is on holiday and was not available for comment.
利奇先生在休假，没空作评论。
The teacher replied, "My dear sister, I tried my best to leach him, but your son did not want to lean the tricks and strategies of survival."
老师回答说：“好姐姐，我已经尽力了，可你儿子不愿学习生存的技巧和策略。”
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