mitten crab carapace的用法和樣例：
例句
- Formerly Lady White Snake was imprisoned under the pagoda, and Fa Hal hid himself in the crab's shell.
當初，白蛇娘娘壓在塔底下，法海禪師躲在蟹殼裡。 - A new type of sludge dewatering flocculant was prepared using rectorite and lobster or crab shells as raw materials.
以累托石和蝦蟹殼為主要原料，製備出一種新型污泥脫水絮凝劑。
