| 单词 | Archaeocyathid |
| 释义 | Archaeocyathid /ahr'kee oh suy"euh thid, ahr kee'euh-/, n. one of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner and outer walls. [ < NL Archaeocyath(us) genus name (archaeo- ARCHAEO- + L cyathus ladle < Gk kýathos) + -ID2] |
| 随便看 |
英语词典包含168451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。