英语词汇“Pennsylvanian period”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

Pennsylvanian period

释义

Noun: Pennsylvanian period

From 310 million to 280 million years ago; warm climate; swampy land
- Pennsylvanian, Upper Carboniferous, Upper Carboniferous period

Type of: geological period, period

Part of: Carboniferous, Carboniferous period

Encyclopedia: Pennsylvanian period

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