leach
柯林斯詞典
1. V to remove or be removed from a substance by a percolating liquid 過濾
2. N the act or process of leaching 過濾過程
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leach /li?t?/
劍橋詞典
- [ 不及物動(dòng)詞：後麪不接賓語的動(dòng)詞 or 及物動(dòng)詞：後麪接賓語的動(dòng)詞 ]
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。
[ 及物動(dòng)詞：後麪接賓語的動(dòng)詞 ]
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(yǎng)分大量流失導(dǎo)致土地貧瘠。 返回 leach