also ろ過
- noun, takes する, transitive filtration; filtering; percolation
ろか
filtration
also ろ過
彼との子供のころから仲良しだ。 He and I have been good friends since we were children. #119249
子供のころからの知り合いです。 We have known each other since childhood. #168648
太陽が雲のうしろから顔を出した。 The sun appeared from behind the clouds. #138185