| 释义 |
Al·too·na AHD[ăl-to͞o′nə] D.J.[ælˈtuːnə]K.K.[ælˈtunə]NONE（无词性）- A city of central Pennsylvania on the eastern slopes of the Allegheny Mountains east of Pittsburgh. It was laid out in 1849 by the Pennsylvania Railroad as a switching point for locomotives used to cross the mountains. Population, 51,881.阿尔图纳：美国宾夕法尼亚中部城市，在匹兹堡东部阿里根尼山脉的东坡上。1849年为了让宾夕法尼亚铁路上的火车穿越山脉而建成，作为一个转向点。人口51,881
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