最終更新日：2024/08/02
A box with riffles along the bottom, used to trap heavier gold particles as water washes them and the other material along the box.
正解を見る
sluice box
編集履歴（0）
A box with riffles along the bottom, used to trap heavier gold particles as water washes them and the other material along the box.
sluice box
DiQt（ディクト）
無料
★★★★★★★★★★
