Zoology 【动】
1
- a single-celled aquatic animal which has a spherical amoebalike body with a spiny skeleton of silica. Their skeletons can accumulate as a slimy deposit on the seabed.放射虫。
1.1
- Three classes of the phylum Actinopoda, kingdom Protista (formerly subclass or order Radiolaria).辐足门3纲, 原生动物界（原放射虫亚纲或放射虫目）。
- of, relating to, or formed from radiolarians.放射虫的; 由放射虫形成的。