今年8月，在结束瑞典旅行、飞往柏林的一个航班上，他的一个装有三台加密笔记本电脑的包离奇失踪了——连航空公司也无法解释这样的失窃。
On a flight to Berlin following his August trip to Sweden, a bag with three encrypted laptops mysteriously disappeared - a theft his airline was unable to explain.
郭老师正在看一本书，准备在班上做一个关于海洋的小测验。
Miss Guo is reading a book to prepare a quiz for a class competition about the oceans.
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