在句子Such an experience befell a certain young girl the first time she was travelling alone中

题目

在句子Such an experience befell a certain young girl the first time she was travelling alone中
the first time she was travelling alone是什么结构,在句中充当什么成份?可以改为who was
travelling alone for the first time.或travelling alone for the first time吗?

答案

(at)the first time she was travelling alone全句状语.at 省略了
who was
travelling alone for the first time.可以,定语从句
或travelling alone for the first time,可以,分词定语
原句侧重 first time.