| 释义 |
Permian/ˈpɜ:miən/ adj. & n. Geol. 【地质】 ●adj. of or relating to the last period of the Palaeozoic era with evidence of the development of reptiles and amphibians, and deposits of sandstone 二叠纪的 ●n. this period or system 二叠纪；二叠系 [Perm, a province in Russia, from the extensive development of such strata there] |