单词 | Holectypina |
释义 | Holectypinaplural noun Ho·lec·ty·pi·na hōˌlektəˈpīnə : a suborder of extinct sea urchins (order Exocycloida) having a central peristome, an excentric periproct, an Aristotle's lantern, and nonpetaloid ambulacra and found in Jurassic, Cretaceous, and Eocene strata |
随便看 |
|
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。