吸入剂

吸 = 及 + 口 : Just when Marie Curie (xi) and Yuwen Huaji (及) were on a space trip in front of the space station (Ø1) they encountered an emergency: the failure of their oxygen supply. Their last hope is a hollow mandarin (口) they brought, out of which they suck (吸) their oxygen.

入 = 丿 + ㇏ : Mnemonic symbol: a big enter button.

入 = 丿 + ㇏ : Some aliens have disguised themselves as banana and float by the space station's bathroom. Rachel Rhinoceros sees them and because she loves bananas, she presses a big enter button with her finger to let them enter.

剂 = 刂 + 齐 : Joan of Arc (ji) is preparing a dose (剂) of her medicine in the space station's bathroom (Ø4). Usually she uses a gong as a nice and flat surface to prepare her medicine, but today only the drum is ready (齐). She distributes her medicine evenly and nicely on the flat surface using a kitchen knife (刂).