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╬                                                        Riddle@NewSMTH
║ 相婿缘何选东床？
           （打一国外考古学家，上楼格）
                                                                 圕   ╬
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注：给出谜底时，请同时提供猜谜思路，以便于新手更容易学到知识，谢谢
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