名詞 pennsylvanian:

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

1. The Pennsylvanian Period.
   賓夕法尼亞紀，賓夕法尼亞系

Penn.syl.va.nian

adj.（形容詞）
Of or relating to Pennsylvania.
屬于或有關美國賓夕法尼亞州的
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
【地質(zhì)學】 賓夕法尼亞紀的，賓夕法尼亞系的：屬于、有關或是古生代第六紀晚石炭紀指地質(zhì)年代或巖石系中含煤巖層的形成發(fā)展期的參見 geologic time
n.（名詞）
A native or resident of Pennsylvania.
美國賓夕法亞尼亞州人或居民
Geology The Pennsylvanian Period.
【地質(zhì)學】 賓夕法尼亞紀，賓夕法尼亞系

來源：
After Pennsylvania
源自 Pennsylvania