n.過濾;浸透
In fact, knowledgeable scientists of the time accepted land irrigation and percolation into the porous underground formations as methods of waste treatment. 事實上,當代有見識的科學家,已經(jīng)接受了土地清洗以及過濾可滲透地底層這兩種可作為處理廢棄物治理的方法。