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。
The man had connected the air-line to a supply line of oxygen, not compressed air.
这个工人把供气管接到了氧气供应管上,而不是接到压缩空气管上。
Professors from the university in Paris would be coming down by train.