单词 | radiolarian |
释义 | ra·di·o·lar·i·an ![]() 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.] ![]() |
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