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.
韵
=
音
+
匀
:
Yu the Great (yu) has to wear a uniform (匀) and repeat the rhymes (韵) played out loudly on a loudspeaker (音) in the encampment's bathroom ((e)n4).