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.
溶
=
容
+
氵
:
Rachel Rhinoceros (ru) is making a smoothie in the engine's kitchen ((e)ng2). She put her food in a food container (容) and pours a bottle of water (氵) over it. Because her food is soluble (溶) the mix turns into a slurry.
胶
=
交
+
月
:
The moon (月) fell down from the heavens and lies shattered in front of the aorta (ao1). Joan of Arc (ji) and Linus Pauling (交) join forces to fix it with a lot of glue (胶).