例句與造句

1. "The Port of Pittsburgh is defined [ by the United States Army Core of Engineers ] as all of the locks and dams within southwestern Pennsylvania, " or, more specifically, the Ohio River to milepost 40 ( PA / OH border ), the Monongahela River to milepost 91.5 ( PA / WV border ), and the Allegheny River to milepost 69.5 ( head of navigation ).
2. It's difficult to find army core of engineers in a sentence. 用army core of engineers造句挺難的