英语词汇“Pennsylvanian period”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	Pennsylvanian period
释义	Pennsylvanian period [网络] 宾夕凡尼亚纪；三亿年前
随便看	rational point rational point group rational polynomial rational prime number rational process rational proof rational proper fraction rational psychology rational random behavior rational rank rational real number rational reconstruction rational recovery rational rejector rational relationship rational representation rational representation of algebraic group rational rolling schedule rational root rational root theorem Rational Rose rational rotation number rational ruled surface rationals rational sample 六朝何事六朝奇伟六朝如梦鸟空啼六朝文物草连空六朝旧事六朝旧事随流水六桥无信六碗通仙灵六腑睡神去六街灯火已阑珊けどる【気取る】けなげけなげ【健気】けなすけなす【貶す】けなふけなみけなみ【毛並み】けにけぬき