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单词 radiolarian
释义
ra·di·o·lar·i·an (rādē-ō-lârē-ən)
n.
Any of various marine protozoans of the order (or phylum) Radiolaria, having rigid siliceous skeletons and spicules.

[From New Latin Radiolāria, order name, from Late Latin radiolus, diminutive of Latin radius, ray, spoke (in reference to their spicules); see RAY1.]
radiolarian
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