Construction includes several layers of fill crushed rock and Tennessee River stones on top.

建筑包括多层填充碎石和顶部的田纳西河石。

Now, you may not have heard of the Copper Basin. It's in the eastern United States-in the Tennessee River Valley.

你可能没听说过阔普盆地，它位于美国东部的田纳西河谷。

Grant wasted no time. He quickly sent troops to fight the Confederate force blocking the Tennessee River. He sent others to fight the Confederates blocking the road to the nearest Union supply center.

格兰特没有浪费时间，他很快派遣部队与封锁田纳西河的联盟国部队作战。他派其他人去对抗封锁通往联邦军最近的供应中心道路的联盟国部队。

In February, 1862, Grant captured Fort Donelson on the Tennessee River, rallied wavering unionists in Kentucky, forced the evacuation of Nashville, and opened the way for two hundred miles into the Confederacy.

1862 年 2 月， 格兰特占领了田纳西河畔的多纳尔逊堡，集结了肯塔基州摇摆不定的工会主义者， 迫使纳什维尔撤离，并开辟了通往南部邦联 200 英里的道路。