alluvion編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看alluvionalluvion — 名詞名詞1. Flood water that carries sediment and deposits it on land.1.名詞釋義沖積Flood water that carries sediment and deposits it on land.例句The river's alluvion left fertile soil behind.