英语词汇“upper pennsylvanian”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	upper pennsylvanian
释义	Upper Pennsylvanian Upper Pennsylvanian [′əp·ər ‚pen·səl′vā·nyən] (geology) The latest epoch of the Pennsylvanian period of geologic time.
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Upper Pennsylvanian