Pennsylvanian Era

例句：

1. 1. The PennsylvaniaPeriod was a time of great political and social change in the United States.
   宾夕法尼亚时代是美国政治和社会发生巨大变革的时期。
2. 2. During the American Revolutionary Era, the colonists fought for independence from British rule.
   在美国革命时代，殖民地人民为摆脱英国的统治而战斗。
3. 3.This painting captures the spirit of the Pennsylvania Era, showcasing the hard work and determination of its people.
   这幅画展现了宾夕法尼亚时代的精神，展示了当时人们辛勤工作和坚定决心。