Jeme's major was Civil Engineering, with an emphasis on railroad construction.

修读于土木工程系，主攻铁路建设。

Railroad construction would often clear debris with fire, and the  smokestacks of steam engines would occasionally emit sparks as the train chugged along.

铁路建设经常会用火清除碎片，蒸汽机的烟囱会在火车隆隆前行时偶尔冒出火花。

After this victory, the Lakotas faced an even graver threat: wagon travel and railroad construction had decimated buffalo populations, and they faced starvation.

这场胜利之后，拉科塔人面临更严重的威胁：货车旅行和铁路建设导致水牛数量锐减，他们面临饥饿。