protostome
/ˈprəʊtəʊstəʊm/noun
- Zoology a multicellular organism whose mouth develops from a primary embryonic opening, such as an annelid, mollusc, or arthropod【动】原口动物。
词源
1950s: from proto- 'primitive'+Greek stoma 'mouth'.
| 单词 | protostome |
| 释义 | protostome/ˈprəʊtəʊstəʊm/noun
词源 1950s: from proto- 'primitive'+Greek stoma 'mouth'. |
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