currency unit (esp. Chinese yuan) / first / original / primary / fundamental / constituent / part / era (of a reign) / meta- (prefix) / (math.) argument / variable / (Tw) (geology) eon
元
=
二
+
儿
:
Sun Wu Kong offers Yu the Great a coin just inside the anthill's kitchen. As Yu the Great takes it, she's literally shocked: Sun Wu Kong hooked up a capacitor to it to play a bad joke on her, and he's laughing his ass off.
月
=
⺆
+
二
:
Yu the Great (yu) is modelling a moon (月) in the elevator's bathroom (e4). He uses a stapler (⺆) to staple a lot of capacitors (二) together to form a moon shape, while the real moon is sitting for him.