to build a building, wall, or other structure again, after it has fallen or been taken down

The bridge was torn down and reerected. 这座桥被拆除重架。

Soldiers were called in to re-erect the fence. 调集士兵来重修了围栏。

to raise something to a vertical position again, after it has fallen or been taken down

How much would it cost, using modern cranes, to re-erect the fallen stones at Stonehenge? 使用现代起重机在巨石阵重新竖立倒下的石头需要多少钱？

As soon as the gate was reerected, it was knocked down again. 大门刚重新竖好，就又被推倒了。