中性粒细胞

中 = 丨 + 口 : Mnemonic symbol: a dart board, because you always try to hit the center.

Julian Giant Squid (zhu-) is throwing dinosaur bones (丨) as darts on a dart board in front of the engine ((e)ng1). To make it a bit more difficult he's throwing mandarins (口) into the air as well and skewers them up right in the center (中 is a mandarin skewered on a dinosaur bone) in mid flight with the dinosaur bones. He's still able to consistently hit the center (中) of the dart board.

性 = 忄 + 生 : Marie Curie had a strong character since she was little. Even in her cradle in the engine's bathroom she was only playing with a flail.

粒 = 立 + 米 : Li Qingzhao (li) got a sack of rice (米) delivered to the space station. In the bathroom (Ø4) she fills the rice granules (粒) in a vase (立) to store them for a longer time.

细 = 田 + 纟 : Marie Curie inspects her farm in the space station's bathroom. She set up a field where innocent silk worms have to die only for the production of fine and slender silk threads.

胞 = 包 + 月 : The moon (月) got a child in front of the aorta (ao1). Beelzebub (b) finds that the placenta (胞) is a small moon cake, which he places in his colorful handbag (包) for later.