单词 | Tardigrada |
释义 | Tardigrada [tär`dig·rǝ·dǝ] INVERTEBRATE ZOOLOGY A class of microscopic, bilaterally symmetrical invertebrates in the subphylum Malacopoda; the body consists of an anterior prostomium and five segments surrounded by a soft, nonchitinous cuticle, with four pairs of ventrolateral legs. |
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