英语词汇pennsylvanian period是什么意思，pennsylvanian period的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	pennsylvanian period
释义	DEFINITIVE EXAMPLES 权威例句〔Pennsylvanian〕Geology The Pennsylvanian Period.【地质学】宾夕法尼亚纪，宾夕法尼亚系美国传统
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