1·And across the Atlantic, in Krakow, Poland, another 214 children are participating in a parallel study.
横穿大西洋，在波兰的克拉科夫，另外的214个孩子参加了同样的研究。
2·In Krakow, most of the compounds come from coal burning for home heating and factories, while in New York City, exhaust from cars, trucks and buses is the major source.
在克拉科夫，很多污染物来自家庭或工厂的煤燃烧，而在纽约市，小汽车，卡车和巴士的尾气排放是主要来源。
3·For six centuries there has been a Jewish Krakow.
六个世纪以来，这儿是犹太人的克拉科夫。
4·The river winds its way northward for 1,047 kilometers (651 miles), through major cities such as Krakow and Warsaw, to Gdansk Bay on the Baltic Sea.
该河蜿蜒向北奔流1047千米（651英里），穿过克拉科夫和华沙等波兰主要城市，由格但斯克湾进入波罗的海。
5·Benner and Knecht presented their find in September at the Second International Congress on ichnology-the study of fossilized animal tracks-in Krakow, Poland.
九月份，在波兰克拉科夫举行的第二届国际化石足迹学会议上，Benner和Knecht展示了他们的发现。