单词 | peristomium |
释义 | peristomium/ˌpɛrɪˈstəʊmɪəm/noun Zoology. The first true somite of certain annelids (such as earthworms), bearing the mouth. OriginEarly 19th century (in an earlier sense). From peri- + ancient Greek στόμα mouth + classical Latin -ium. |
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