来自《耶鲁大学开放课程：美国内战与重建1845-1877 第19集第19集》

and he became an officer in his early twenties.

在二十岁出头时就成为一名军官
He spent his twenties, his thirties, and his forties

此后的二十多年间
spread all over the United States, largely as an engineer.

他以工程师的身份走遍了美国
He was a great engineer.

他是一名伟大的工程师
He helped build the first bridge across the Mississippi.

他协助建造第一座横跨密西西比河的桥梁
He helped redirect rivers in the lower Mississippi,

他协助治理密西西比河下游
and on and on.

等等
He spent probably two-thirds of his life,

他生命中三分之二的时光都花在了工程上
up until the Civil War,

直到内战的来临
Away from home, away from that mansion

他离开了自己的家乡离开了那处庄园
that sits today in Arlington Cemetery.

这处庄园位于现在阿灵顿公墓所在地
Arlington House was Lee's home.

阿灵顿之屋曾是李的宅邸