氣壓

Mnemonic symbol: a balloon. The Queen of Hearts is disappointed by her balloons. She expected them to float upwards, but in the space station's bathroom, They float randomly in all directions.

压 = 厂 + 丶 + 土 : Maud Younger once heard that if you apply enough pressure, one can make diamonds out of dirt. In front of the ashram, she tries this out: She puts some dirt into a chocolate factory, applies as much pressure as she can, but all that comes out are petal leaves.