- 浸食範囲｛しんしょく はんい｝
- erosion: erosion n. 〔地質〕 浸食.【動詞＋】Inflation causes the erosion of currency value.インフレは通貨の価値の下落を引き起こすcontrol soil erosion土壌の浸食を食い止めるcurb the erosion of civil liberties市民的自由権がむしばまれるのを食い止めるGround cover helps pre
- extent: extent n. 範囲; 程度, 限度; 広がり.【動詞＋】I cannot help admiring the extent of his knowledge.彼の知識の広さには感心せざるを得ないI will ascertain the extent of the damage.《文語》 損害の規模を確かめようassess the extent of bird deaths due to
- extent of: ～の及ぶ限り
