研
=
开
+
石
:
Maud Younger is lacking salt for her ... . Luckily, there's a salt stone just inside the anthill's kitchen, so she uses a bottle opener to grind off some salt.
究
=
九
+
穴
:
Joan of Arc (ji) is carefully studying (究) cave paintings (穴) that have appeared over night in front of the outhouse (ou1) using mass spectrometry. She carves off a little of the paintings and puts them in the mass spectrometer. As it emits a huge cloud nine (九), the spectrometer shows on the display that the main component is love.
机
=
几
+
木
:
Joan of Arc (ji) made a machine (机) that fully automatically manufactures tables (几) out of Christmas trees (木) and tests it in front of the space station (Ø1).
构
=
勾
+
木
:
Guy Fawkes (g) wants to measure the crystal structure (构) of the Christmas tree (木) in the outhouse's bathroom (ou4), so he first draws a comic (勾) to find which would be the optimal crystallization superstructure.