| 单词 | Proetus | 
| 释义 | Proetusnoun  Pro·e·tus   prōˈētəs   : a genus (the type of the family Proetidae) comprising small trilobites with nearly equal shields, smooth depressed glabella, and narrow cheeks and being common throughout the Paleozoic after the Cambrian   | 
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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。