Pennsylvanian

名词 pennsylvanian:

1. from 310 million to 280 million years ago; warm climate; swampy land
   同义词：Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period
2. a native or resident of Pennsylvania
   同义词：Keystone Stater

1. The Pennsylvanian Period.
   宾夕法尼亚纪，宾夕法尼亚系

Penn.syl.va.nian

adj.（形容词）
Of or relating to Pennsylvania.
属于或有关美国宾夕法尼亚州的
Geology Of, belonging to, or being the geologic time, system of rocks, and sedimentary deposits of the sixth period of the Paleozoic Era, characterized by the development of coal-bearing rock formations.See table at geologic time
【地质学】 宾夕法尼亚纪的，宾夕法尼亚系的：属于、有关或是古生代第六纪晚石炭纪指地质年代或岩石系中含煤岩层的形成发展期的参见 geologic time
n.（名词）
A native or resident of Pennsylvania.
美国宾夕法亚尼亚州人或居民
Geology The Pennsylvanian Period.
【地质学】 宾夕法尼亚纪，宾夕法尼亚系

来源：
After Pennsylvania
源自 Pennsylvania