- 问题详情:Backin2001,PenHadowandItraveledtotheNorthPole.Onemorningwe’djusttakendownourtentandstartedskiing.Penwasinfront,andIwasfollowinghim.SuddenlyIgotastrangefeelingthatsomethingwasbehindus.Istopped,lookedbackandsawapolarbear,walkingtowardsus. ...
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