| 单词 | heterostracan |
| 释义 | heterostracan in American English (ˌhetəˈrɑstrəkən) noun Paleontology any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates Word origin [‹ NL Heterostrac(i) (pl.) name of the order, equiv. to heter- heter- + Gk ostrak(ón) (sing.) shell + -an] |
| 随便看 |
英语词典包含298861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。