英文翻译：一位女士经过时看到了事故的发生,A woman saw the accident happen while she was —— ——
问题描述：
英文翻译：一位女士经过时看到了事故的发生,A woman saw the accident happen while she was —— ——
答
passing/walking by
pass/walk by都可以表示走过/路过
过去进行时：was+doing