牡蛎壳 meaning in English

oyster shells
shuck

Biological calcium carbonate oyster shell powder calcium carbonate
生物碳酸钙牡蛎壳粉
Biological calcium carbonate oyster shell powder
生物碳酸钙牡蛎壳粉
Crushed oyster shells - that s what they used as landfill in lower manhattan
下曼哈顿的填地土中用了许多压碎的牡蛎壳
All of this fort was built by the material of sticky rice , syrup , sand and oyster shell ash
整座城堡系以糯米汁、糖浆、砂与牡蛎壳粉调制而成。