Unfortunately, there's no quick and easy way to dry up a toddler's runny nose.

可惜现在还没有一种简单快速的方法解决小孩流鼻涕。

You're massively dehydrated, like the microclimate of an aeroplane is drier than most desert, and that has the effect of completely drying out the nose.

你严重脱水，就像飞机的小气候比大多数沙漠更干燥，并且具有完全干燥鼻子的效果。