工人们正在用水管冲洗卡车上的泥土。

The workers are ___sluicing the dirt off the truck with a hose.

工人们用水流冲刷河床来提取珍贵的钻石。

The workers were ___sluicing the riverbed to extract precious diamonds.

矿工们打开闸门，开始从河床中冲洗含金的沙子。

The miners opened the gate to start ___sluicing the gold-bearing sand from the riverbed.