求翻译：时至今日，人们依然感到奇怪，一个年轻的美国女青年，居然成为整个延安历史的一部分。我写作的《续西行漫记》，是第一部关于延安的著作，而且在后来的许多年里，一直是唯一的一部是什么意思？

Today, people are still surprised by a young American young women, and actually become part of the Yan'an history as a whole. I write "Continuation of the Red Star is the first works on the Yanan, but also in many years, has been the only one

Today, people still find it curious that a young American girls, and has even become the whole part of the history of Yan'an. I am writing the definition line continued west, is the first book of the Yan'an, and in many subsequent years, has been the only one

At this point, the people still feel strange, a young American young woman, becomes the entire Yenan history unexpectedly a part.I write "Continue Head west Inundate Record", is first about Yenan's work, moreover in afterwards many years, always was only one

Today, people are still surprised a young United States woman's youth, became part of the Yanan history. I write the continuation of Red Star over China, was first on works of Yan, and later for many years, has been a part of the only

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