pennsylvanian
adj. Pennsylvania 的
n. Pennsylvania 人
近义词：UpperCarboniferous，Pennsylvanianperiod，
英英释义
Noun
- from 310 million to 280 million years ago; warm climate; swampy land
- a native or resident of Pennsylvania
例句
- The Pennsylvanian Period.宾夕法尼亚纪，宾夕法尼亚系