The basic idea of mining is basically extract the opal clay out from the ground, put it onto a truck, I take the truck to a puddling site in town, and check if there's opal in that.

采矿的基本思路就是把含欧泊的泥土挖出，卡车，再运到镇的淘洗点，检查里面有没有欧泊。

Once carefully rinsed and washed, it became a material of extraordinary malleability and durability.

经复淘洗，它就会成为一种具有非凡延展性和耐久性的材料。

Christo explains that he's doing some sluicing with his sluice box.

克里斯托，他正在用淘金槽进行淘洗。

There's a bunch of options like panning for gold, Using a slusbox

有很多选择， 比如淘金，使用淘洗箱。

This is a rather unusual word, " sluice" (sluice).

“sluice” （淘洗）这个词有点不常见。

" Three pecks would be better." The woman took the rice, washed it in the stream, and then boiled it.

“三啄会更好。”妇人拿起米，在溪水中淘洗，然后煮沸。