问题描述：
问一下这个英语句子的语法问题
新概念英语第二册中有一课Across THE Channel中有一句话
Among them will be Debbie's mother.who swam the channel herself when she was a girl.这句话中末尾一句的when可以用as 来代替么?请高手帮忙解答,以及为什么
新概念英语第二册中有一课Across THE Channel中有一句话
Among them will be Debbie's mother.who swam the channel herself when she was a girl.这句话中末尾一句的when可以用as 来代替么?请高手帮忙解答,以及为什么
问题解答：
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