book / letter / document / CL:本[ben3],冊|册[ce4],部[bu4] / to write
书
=
丨
+
㇆
+
丶
:
Sheldon Shrimp is enjoying a good book in front of the space station. Because he is lazy, he built a thingy to hold the pages in place with a dinosaur bone and two ploughs. He is laying very comfortable on a petal leaf serving as sofa.
vertical stroke (in Chinese characters), referred to as 豎筆|竖笔[shu4 bi3]
Mnemonic symbol: a dinosaur bone. Sheldon Shrimp (shu) found a gorgeous dinosaur bone (丨) in the space station's bathroom (Ø4) and is cracking it open to eat its bone marrow.