井
=
二
+
丿
+
丨
:
Joan of Arc is digging a well inside engine. At first she was doing it by hand, but then she hooked up a capacitor to a banana and a dinosaur bone, which dig for her using the electrical energy.
background / bottom / base / end (of the month, year etc) / remnants / (math.) radix / base
底
=
广
+
氐
:
The space station's old concrete foundation has been broken up, and Dorothy Gale wants to send the remnants of the foundation back to the base on earth using parachutes.
(possessive particle, literary equivalent of 的[de5]) / him / her / it
之
=
丶
+
Z
:
Mnemonic symbol: Sooo sleepy... "zZz" (the character looks like a "Z"). James II of England (zh) fell asleep in front of the space station (Ø1). He sleeps on a big petal leaf (丶), making loud "zZz" (之) sounds.