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单词 Pennsylvanian
释义 Noun: Pennsylvanian  `pensul'veyneeun
  1. From 310 million to 280 million years ago; warm climate; swampy land
    - Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period 
  2. A native or resident of Pennsylvania
    - Keystone Stater

Derived forms: Pennsylvanians

Type of: American, geological period, period

Part of: Carboniferous, Carboniferous period

Encyclopedia: Pennsylvanian

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更新时间:2024/12/21 19:14:21