(1)フィルターを通すことで除去する
(2)浸透液によって物質を取り除く
(3)remove substances from by a percolating liquid; "leach the soil"
(4)remove by passing through a filter; "filter out the impurities"
さらに詳しく
(1)それを通過するものを何でもそこから取り除く装置
(2)device that removes something from whatever passes through it
(2)remove by passing through a filter; "filter out the impurities"
