category / genus (taxonomy) / family members / dependents / to belong to / subordinate to / affiliated with / be born in the year of (one of the 12 animals) / to be / to prove to be / to constitute
属
=
尸
+
禹
:
暴龙属 is the genus Tyrannosaurus, and I'll use a T-Rex as mnemonic symbol.
The great Yu (禹) built a dyke to prevent Sheldon Shrimp (shu) from entering his side of the space station (Ø3), but then a T-Rex (属) ghost (尸) starts to haunt him until he tears down his dyke.
实
=
头
+
宀
:
Sherlock Holmes welcomes professor Skull just inside the entrance of the space station. Professor Skull has not a complete head but only a skull, and a solid understanding of solid state physics. She really is an honest person and still wears her graduation cap.