作者共发了3篇帖子。
请注意，现在有紧急情况，请大家保持镇静。有序沿紧急通道安全撤离，谢谢合作
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--寝室广播
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Attention please, there is a (确实说的是a）emergency. Please keep quiet. Walk in order from emergency exit. Thanks for your cooperation.
--广播 |
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响了一天了
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