- 士(student; nobleman)
- 冗(redundant; excessive)
A hard shell outside like armor covering excess wrapping around the kernel within.
chitin
Insect chitin is very hard.
chitin
Insect chitin is very hard.
A hard shell outside like armor covering excess wrapping around the kernel within.
A hard shell outside like armor covering excess wrapping around the kernel within.
chitin
chitin