| 单词 | Birkenia | 
| 释义 | Birkenianoun  Bir·ke·nia   bərˈkēnēə   : a genus (the type of the family Birkeniidae of the order Anaspida) of Upper Silurian ostracoderms having no cephalic armor and having the body covered with small scales   | 
| 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。