- 石(stone; rock)
- 更(change; firm)
Hard as stone, immovable and unchangeable.
anhydrite CaSO4
Anhydrite is a type of mineral.
anhydrite CaSO4
Anhydrite is a type of mineral.
Hard as stone, immovable and unchangeable.
Hard as stone, immovable and unchangeable.
anhydrite CaSO4
anhydrite CaSO4
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