Alluvion
01
沖積, 洪水
the rising of a body of water and its overflowing onto normally dry land
02
沖積層, 沖積堆積物
clay or silt or gravel carried by rushing streams and deposited where the stream slows down
文法情報
有生性の状態
無生物
形態的構成
単純語
不可算
03
沖積, 沖積堆積物
the slow expansion of land due to water movements
