固体溶体

固 = 古 + 囗 : Gitta Giraffe is building a hard and solid stronghold inside the bathroom's space station. The stronghold consists of a cloister inside a wooden box.

体 = 亻 + 本 : Rosa Luxemburg envies Mother Teresa's hot body. She asks her how she can be such a hottie even when lifting is not possible, like in the space station's zero gravity, and Mother Teresa answers that it's because of the roots she's eating.

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.