Then he would wipe the King's backside using cotton and a bowl of water, drying it with a towel.

然后用棉布和一碗水，擦拭其臀部。最后用毛巾擦干。

Between the water drying up and the poop contaminating what remains, there's not much left for the hippos to drink or hang out in.

在水干涸和大便污染剩下的东西之间，河马喝水或闲逛的地方所剩无几。