| 单词 | acritarch |
| 释义 | acritarch —acritarchous, adj. /ak"ri tahrk'/, n. Paleontol. any of various microfossils, of unknown biological affinities, having a central cavity enclosed by a wall of chiefly organic composition. [1963; < NL Acritarcha (neut. pl.), irreg. < Gk ákrit(os) confused, doubtful (see A-6, CRITIC) + arché beginning, origin (cf. ARCHI-)] |
| 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。