青黴素

青 = 龶 + 月 : Mnemonic symbol: a cyan-colored fountain of youth.

青 = 龶 + 月 : The moon opened a very profitable start-up in front of the engine. He put up a fountain of youth and--wearing a fancy headdress--charges the Queen of Hearts a fortune for drinking from the fountain.

霉 = 每 + 雨 : Mahatma Gandhi (m) is working out every day (每) in the Eiffel Tower's kitchen (ei2). Every time the sweat is raining (雨) off of his body and he never opens the window. Because of the humid air, a lot of mold (霉) has formed over time.

素 = 龶 + 糸 : Susan Saint Bernard (su) has decided to become a vegan (素) and to let everyone know. In the space station's bathroom (Ø4) she manufactures a fancy headdress (龶) in the form of a vegan flower (素) out of her own spider silk (糸) so that everyone who sees her instantly knows that she's vegan (素).