Such shuffling is looking for two cards, were washed three times can wash out the gold.
这样洗牌等于是找了两次牌，共洗了三次就可以洗出金花了。
2
Results show: after the adsorption of gold foam does not wash with water, the direct use of thiourea solution of the cult, the determination of gold a better result.
实验证明：吸附金后的泡沫塑料不用水冲洗，直接用硫脲溶液解脱，金的测定结果更好。
3
For many, gold mining did not pan out. For a few, it panned out well. But in time, huge machines were built that could wash many tons of dirt at a time. Panning died out.