Of, relating to, or designating the second period of the Palaeozoic era, which occurred between about 510 million and 439 million years ago…
| 单词 | θ5334 |
| 释义 | the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Ordovician (9) Ordovician1879 Of, relating to, or designating the second period of the Palaeozoic era, which occurred between about 510 million and 439 million years ago… Subcategories:— specific (8) |
| 随便看 |
英语词典包含1132095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。