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'. |
| 随便看 |
|
英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。