生理盐水

生 = 牛 + 一 : Mnemonic symbol: a cradle.

Sherlock Holmes (sh) comforts a crying baby bull (牛) in a cradle (生) in front of the engine ((e)ng1) and plays him a tune on a flute (一).

理 = 王 + 里 : Li Qingzhao and Martin Luther King have the mission to find out the intrinsic order and inner essence of sunflowers in the space station. They grow a few sunflowers and care for them very meticulously, talking to them and everything.

盐 = 土 + 卜 + 皿 : Maud Younger (y) finished cooking a dish in the anthill's kitchen (an2) when she finds that she's out of salt (盐). Her last hope is to put some dirt (土) in a bowl (皿) and trying to change it into salt (盐) using a voodoo staff (卜).

水 = ㇇ + 亅 + 丿 + ㇏ : Sheldon Shrimp just climbed the Eiffel Tower. He's really thirsty, so he's glad to find a water fountain. After he quenches his thirst, he also finds a snack: A banana is swimming in the water. He never ate a banana before, so he tries a mix of different methods: Putting on a fake beak to pick on the banana, holding it with a finger and peeling it with a crowbar.