Pennsylvania

The letter was mailed from Pennsylvania to me..信已由宾夕法尼亚州寄到我这里。

To find out how the beast moved in the water, they called in Frank Fish, an expert on the biomechanics of flippers, at West Chester University in Pennsylvania..为了了解这种野兽是如何在水中游动的，他们请来了宾夕法尼亚州西切斯特大学脚蹼生物力学专家弗兰克·费石。

The groundhog Punxsutawney Phil emerged from his burrow in Pennsylvania to see his shadow, meaning six more weeks of winter weather according to those who believe in Groundhog Day predictions..土拨鼠菲尔从他在宾夕法尼亚州的洞穴中钻出，看到他的影子，相信土拨鼠日预测的人们认为，这意味着寒冬仍将持续六周。

university of pennsylvania,（美国）宾夕法尼亚大学；宾州大学

pennsylvania avenue,宾夕法尼亚大道（在美国首都华盛顿）