Perflation
[医] 吹气引流法, 吹入法; 自然通气
🗣️ 情景例句
No problem, Grandpa.
没有关系爷爷。
The post office is in the middle of the block, You can't miss it.
那邮局就在街区的中间，很好找。
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。