Alongside me is a slender woman in a black dress,my guide back to a time when…back头在这里是什么意

题目

Alongside me is a slender woman in a black dress,my guide back to a time when…back头在这里是什么意
Alongside me is a slender woman in a black dress,my guide back to a time when the surrounding settlement in Dresden,Ontario,was home to a hero in American history.

答案

全句：站在我身边的是一位身着黑裙身材苗条的女士,她是我的导游,（她向我们介绍）当年,安大略省德累斯顿这一代是美国历史上一位英雄的故居.
back to a time 回到过去某个时候/时代