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calcareous sponge /ˈkalkeəɹəs ˈspʌndʒ/ n

中文：钙质海绵

中文 · 钙质海绵Español · esponja calcáreaFrançais · éponge calcaire
Meaning：Marine sponge with a skeleton composed of small calcareous needles (spicules).
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Sponge

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