查人人中国名人网刘洪沂:in vacation和at vacation的区别是什么？？
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/15 12:11:49
1. I was on vacation when he called.
2. I was having Christmas vacation at/in Beijing.
没有 in/at vacation
两个都不通！Vacation 最多用的是:
During my vaction, I went overseas for a holiday.
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