血藍素

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.

蓝 = 艹 + 监 : Lancelot (l) as been trapped in a cage (监) in the anthill's kitchen (an2) for quite some time now and all he gets to eat are blue-green (蓝) algae. Once the blue-green algae have been processed by his body, they change into artificial lawn (艹) which his captors remove from his cage to sell it.

蓝 = 艹 + 监 : Lancelot (l) as been trapped in a cage (监) in the anthill's kitchen (an2) for quite some time now and all he gets to eat are blue-green (蓝) algae. Once the blue-green algae have been processed by his body, they change into artificial lawn (艹) which his captors remove from his cage to sell it.

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).