It's quite simple. You put a very hot, wet cloth on your shoulder for one minute. Then put a packet of frozen peas on the shoulder for one minute. And so on and so on.
很简单。你把一块很热的湿布敷在肩膀上一分钟。然后把一包冻豌豆敷在肩膀上一分钟。这样反复几次。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。
On his return to India he had the chance to travel to South Africa to work on a law case.