a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River
例句
American basswood of the Allegheny region. 产于美国阿勒革尼地区的一种美洲椴树属植物。
Are you familiar with Allegheny General? |你认识阿勒格尼将军吗？
A former region of the United States west of the Allegheny Mountains. 西部美国先前在阿巴拉契亚山脉以西的地区
A town of southwest Virginia in the Allegheny Mountains west of Roanoke. 布莱克斯堡美国弗吉尼亚西南部一城镇，位于劳诺克西部的阿勒格尼山。
Pittsburgh is located at the confluence of the Allegheny and Monongahela rivers. 张家港位于长江与大海的汇合处。
My work as a forensic anthropologist for the Allegheny County, Pennsylvania, coroner's office has augmented this experience. 而我在宾州阿勒格尼郡验尸官办公室担任法医人类学家，也加强了这方面的经验。
