“尽管这篇文章引起了焦虑，”宾夕法尼亚州麦瑟斯堡学院的比尔·麦克林蒂克说，“但它只是谜团中非常小的一块。”
"For all the anxiety the essay causes," says Bill McClintick of Mercersburg Academy in Pennsylvania, "it's a very small piece of the puzzle."
我们走进巨大的宾夕法尼亚火车站，在火车上找到了自己的包房。小小的包房里有各种新奇的小物件。
We descended into the abyss that is Penn Station and found our compartments, filled with delightful contraptions squeezed into a small space.
所以毫不意外的是，宾夕法尼亚州匹兹堡大学的科学家开始利用小斑马鱼来再生严重受损的老鼠心脏。
So, it is no surprise that scientists at the University of Pittsburgh in Pennsylvania are using tiny zebra fish to regenerate severely damaged mouse hearts.
宾夕法尼亚州州立大学的工程师门采用的这个新方法是把产生电子的细菌和微生物燃料电池中的一个小电荷结合在一起来产生出氢气。
The method used by engineers at Pennsylvania State University however combines electron-generating bacteria and a small electrical charge in a microbial fuel cell to produce hydrogen gas.
第1集：飞行员：在这种犯罪剧系列的开始，一个罪犯的身份承担的警察在一个小的，偏僻的宾夕法尼亚镇。
1: Pilot: in the series premiere of this crime drama, an ex-con assumes the identity of a lawman in a small, out-of-the-way Pennsylvania town.
第1集：飞行员：在这种犯罪剧系列的开始，一个罪犯的身份承担的警察在一个小的，偏僻的宾夕法尼亚镇。
1: Pilot: in the series premiere of this crime drama, an ex-con assumes the identity of a lawman in a small, out-of-the-way Pennsylvania town.
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