好词典

leached

UK //liːtʃt//US //liːtʃt//

词源

源自古英语 'leccan'(浇水),后受古法语 'lecher'(舔)影响,最终演变为现代含义。

verb

❶ 指物质(如矿物质或化学物质)通过液体溶解并带走的过程,常见于土壤养分流失或工业处理。

“Heavy rains leached nutrients from the farmland.”

(暴雨冲走了农田中的养分。)

“The chemicals were leached out of the soil by groundwater.”

(化学物质被地下水从土壤中溶出。)

同义词:drain, filter, percolate, extract, wash out

常见短语

leach out — 描述物质被液体溶解并排出的过程,常用于环境或化学领域。

“The contaminants slowly leached out of the landfill.”

(污染物从垃圾填埋场缓慢渗出。)